Extended Sizing Apparel Engineering & Bulk Supply

Plus Size Wholesale Shirts: Engineered for Real Bodies, Built for Retail Profit

Stop losing money on fit returns. Oasis Shirts delivers re-drafted 2XL–6XL pattern blocks, low MOQs from 50 pieces, and full private label manufacturing backed by OEKO-TEX & BSCI certified facilities.

  • Low MOQ from 50 pcs
  • Re-engineered 2XL to 6XL Blocks
  • OEKO-TEX & BSCI Certified
Plus size wholesale shirts manufacturing line at Oasis Shirts Bulk production of plus size button down woven shirts Extended sizing denim and flannel shirt bulk production
Verified Capacity1.2M+Plus Size Units / Year
Technical Mastery In Extended Sizing

Two Decades of Precision Apparel Manufacturing

Standard grade-rule scaling causes pulling, gaping, and distorted armholes. We engineered specialized master patterns specifically for extended-size contours across our global facilities.

  • 0+Plus Size Styles Developed
  • 0+Retail Brands Supplied
  • 0Countries Shipped DDP
  • 0+Years Industry Leadership
Solving The B2B Plus Size Dilemma

Why Traditional Grading Fails Plus Size Apparel Buyers

Most shirt suppliers use linear scaling—multiplying Medium measurements across the board. The result? Extended sizes suffer from oversized necks, drop shoulders that sag, and tight midsections that gape at the placket.

At Oasis Shirts, our senior pattern masters re-draft every 2XL, 3XL, 4XL, 5XL, and 6XL block independently. We modify the chest pitch, drop armhole circumferences proportionally, broaden the back yoke without over-extending shoulder points, and integrate subtle side-seam ease.

  • Zero-Gape Placket Design

    Button spacing is dynamically recalculated for 2XL+ sizes to prevent mid-chest stress gaps during movement.

  • Reinforced Stress Points

    Double-needle flat-felled side seams and twin-button arm cuffs built to handle increased lateral tension without tearing.

  • Form-Retaining Fabrics

    High-tensile combed cotton poplin, brushed 200 GSM flannel, and cotton-elastane blends treated to resist torque and bagging.

Pattern Specification Breakdown: Oasis vs. Standard Supplier

Direct visual proof of why our return rates stay below 1.2% across North American and European retail accounts.

Comparison of Oasis Shirts plus size engineering against standard wholesale shirt suppliers
Fit ParameterOasis Shirts (Re-Drafted)Standard Wholesale Factory
Pattern Block Creation✓ Re-drafted per size block✕ Linear mathematically scaled
Armhole Drop & Pitch✓ Curved anatomical drop✕ Over-sized straight drop
Back Yoke Construction✓ Extended split yoke✕ Flat narrow single yoke
Placket Button Placement✓ Anatomically spaced✕ Standard fixed spacing
Fabric Shrinkage Allowance✓ Pre-shrunk per fabric lot✕ Generic 3% offset
AQL 2.5 Quality Audit✓ 100% Inspection guaranteed✕ Random spot checks
Core B2B Inventory Solutions

Recommended Plus Size Wholesale Shirts Collections

Proven high-margin lines engineered for private label retail, ecommerce dropshipping programs, and corporate uniform contracts.

Heavyweight plus size flannel shirts wholesale
Best Seller

Heavyweight Brushed Flannel (2XL–6XL)

200–240 GSM yarn-dyed cotton flannel with double-brushed handfeel, matching chest pocket plaids, and box-pleated back yoke for maximum flex.

Request Flannel Specs →
Men plus size business dress shirts wholesale

Executive Poplin & Oxford Dress Shirts

130–160 GSM 100% combed cotton poplin and pin-point oxford with stain-release finishes and non-iron treatment.

View Dress Shirts →
Women plus size woven blouses and tunic shirts

Women Extended Size Blouses & Tunics

Lightweight chiffon, poplin, and rayon tunic shirts featuring darted busts, relaxed hip sweeps, and adjustable sleeve tabs.

View Women Line →
Plus size denim work shirts wholesale supplier

Rugged Denim & Utility Overshirts

8–12 oz washed ring-spun denim with triple-needle stitching, heavy-duty brass snaps, and reinforced elbow patches.

Explore Denim Range →
Sustainable organic cotton plus size shirts
Eco-Friendly

GOTS Organic Plus Size Casual Shirts

Low-impact dyed 100% certified organic cotton and TENCEL™ lyocell blends designed for eco-conscious retail lines.

View Sustainable Options →
Plus size heavyweight t-shirts wholesale

Heavyweight Streetwear & Oversized Tees

220–280 GSM ring-spun jersey tees with drop shoulders, high ribbed collars, and anti-shrink reactive dyeing.

View Oversized Tees →
Proven Re-Order Champions

Most Ordered Plus Size Wholesale Shirts

Real-time top sellers chosen by fashion buyers across North America, the UK, and Australia over the past 12 months.

Multi blue plaid plus size shirt wholesale

Big & Tall Plaid Flannel

2XL–6XL · Yarn-dyed 200 GSM
Green and blue plaid shirt bulk extended sizes

Timberland Plaid Overshirt

2XL–6XL · Brushed Cotton 220 GSM
White linen plus size shirt wholesale

Resort Linen Blend Shirt

2XL–5XL · Cotton-Linen 140 GSM
Plain maroon dress shirt wholesale bulk

Executive Poplin Button-Down

2XL–6XL · Combed Cotton 125 GSM
Dark olive utility shirt wholesale plus size

Tactical Utility Work Shirt

2XL–6XL · Cotton Twill 190 GSM
Peach corduroy plus size shirt wholesale

Peach Soft Corduroy Shirt

1X–5X · 8-Wale Corduroy 230 GSM
Pink pocket corduroy shirt bulk

Pink Oversized Utility Shirt

1X–5X · Soft Wash Twill 210 GSM
White chiffon tunic shirt plus size wholesale

Chiffon Sheer Formal Blouse

1X–6X · Premium Georgette 80 GSM
Ladies black polo shirt extended sizes

Stretch Pique Polo Shirt

1X–5X · Combed Cotton/Spandex
Striped poplin tunic top wholesale

Vertical Striped Poplin Top

1X–5X · Yarn-Dyed Poplin 115 GSM
Custom printed plus size t-shirt wholesale

Graphic Streetwear Heavy Tee

2XL–6XL · Ring-Spun Cotton 240 GSM
Boxy fit plus size tee bulk

Boxy Extended Fit Tee

2XL–6XL · Organic Jersey 220 GSM
3D printed sublimated plus size shirt

3D Sublimated Active Tee

2XL–6XL · Moisture-Wicking Poly
Garment dyed extended size tee

Vintage Wash Pocket Tee

2XL–5XL · Bio-Washed Cotton 200 GSM
White crew neck tee wholesale extended sizing

Essential Extended Crew Tee

2XL–6XL · 100% Combed Jersey 180 GSM
Private label plus size shirts program
2XL – 6XL Precision

Private Label Plus Size Program

Custom woven tags, heat-seal neck prints, barcoded polybags, and custom button engravings tailored to your exact tech pack specifications.

MOQ Starts at 100 Pcs Get Catalog
Corporate uniform plus size program
Workwear & Hospitality

Extended Size Corporate & Workwear

Durable 65/35 poly-cotton poplin, soil-release coatings, and high-tensile stitching engineered for demanding commercial environments.

Volume Discounts Available Get Catalog
Rigorous Factory Controls

How We Manufacture Plus Size Wholesale Shirts

Every order undergoes a four-stage quality protocol engineered to guarantee measurement accuracy within a ±0.5-inch tolerance.

Fabric inspection and pre-shrinking
Stage 01

Fabric Pre-Shrinkage & Dye Testing

Fabric rolls undergo steam sanforization and lab tests for color fastness, pilling resistance, and dimensional stability before cutting.

CAD cutting for plus size apparel
Stage 02

CAD Pattern Marker & Precision Cutting

Optimized computer-guided cutters ensure zero grainline deviation across large fabric pieces, preserving drape and structural integrity.

Reinforced sewing line
Stage 03

Reinforced Assembly & Trim Attachment

Lines feature 14–18 stitches per inch (SPI), heavy-duty core-spun thread, and automatic placket button feeding for max durability.

AQL 2.5 final inspection
Stage 04

AQL 2.5 Inspection & Polybagging

100% measurement sweep, needle detection check, SKU barcoding, and heavy-gauge protective polybagging for retail delivery.

Eco-Conscious Manufacturing

Responsible Extended Size Shirt Production

We combine eco-certified raw materials with water-recycling dye houses to deliver sustainable wholesale apparel.

01

Certified GOTS Cotton

Sourced from chemical-free organic farms that consume 91% less surface water during crop growth.

02

GRS Recycled Poly Blends

Post-consumer PET plastic bottles converted into durable filament yarns for active and casual woven shirts.

03

AZO-Free Non-Toxic Dyes

Vibrant shade matching using non-carcinogenic, heavy-metal-free reactive dye compounds.

04

Closed-Loop Water Treatment

Our audited dye factories treat and recycle 95% of process water through modern ETP facilities.

05

Zero-Waste Cutting Layouts

Advanced digital marker planning minimizes fabric scrap creation across large-format patterns.

06

Recyclable Packaging

Every shipment uses FSC-certified cartons and 100% biodegradable or recyclable polybags.

Sustainable shirt manufacturing process Eco friendly blank shirts in bulk Recycled fabric wholesale shirts Organic cotton extended size shirt

Why Global Apparel Buyers Rely on Oasis Shirts for Extended Sizing

Founded in 2011 with corporate headquarters in Beverly Hills, California, Oasis Shirts has grown into a dominant global apparel manufacturer. With network operations spanning 9 audited factory locations and front-end offices across 7 key countries (USA, UK, Australia, UAE, Qatar, and more), we specialize in bridging the gap between design concepts and scalable bulk manufacturing.

When sourcing plus size wholesale shirts, product managers face challenges that standard shirt suppliers cannot solve: uneven fabric weight distribution, pattern skewing, inconsistent sleeve armhole drops, and high return rates driven by poor chest and waist proportions. Over the past decade, our technical team has engineered exclusive 2XL to 6XL master blocks tested on diverse fit models, guaranteeing comfort, structural longevity, and aesthetic appeal.

Enterprise Guarantee: We provide full tech pack reviews, pre-production physical samples within 7–10 working days, and third-party laboratory test reports (SGS, Intertek) per shipment upon request.

Comprehensive Customization Capabilities

Whether you require unbranded blanks for immediate local embroidery or a full white-label or private-label custom cut-and-sew production run, our end-to-end services adapt to your business model:

  • Fabric Customization: Poplin, Oxford, Twill, Denim, Brushed Flannel, Corduroy, Linen, Chiffon, UPF 50+ Sun Protection, and Eco-Blends from 110 GSM to 300 GSM.
  • Pattern & Fit Grading: Re-drafted Big & Tall blocks, extended women's tunic fits, relaxed streetwear cuts, and athletic custom cuts.
  • Branding & Trims: Custom woven neck labels, satin wash care tags, heat-transfer inner prints, branded hangtags, engraved shell/horn buttons, and custom barcoded packaging.
  • Decoration Services: High-density screen printing, Direct-to-Garment (DTG), Direct-to-Film (DTF), 3D all-over dye sublimation, custom embroidery, and laser vintage washes.
Bulk production of custom plus size shirts

Flexible Order Quantities for Scaling Brands

Traditional overseas factories require 1,000+ pieces per size before opening a cutting table. We recognize that inventory liquidity is vital for apparel startups and growing e-commerce retailers. Our tiered MOQ structure enables strategic market testing:

  • Blank Stock Program: Low MOQ from 50 pcs per style across mixed sizes.
  • White Label Program: Low MOQ from 100 pcs with custom main labels and hangtags.
  • Full Private Label OEM: Low MOQ from 150 pcs per colorway for full custom cut-and-sew styles.
Global Reach & Capacity

Apparel Manufacturing at Scale

  • Years of experience icon
    Industry Experience20+ Years
  • Offices icon
    Global Offices7 Countries
  • Factories icon
    Audited Factories9 Countries
  • Shipping icon
    Worldwide Delivery55+ Countries
  • Products icon
    Developed Styles100,000+
  • Backend team icon
    Production Force2,000+ Workers
  • Frontend team icon
    Merchandisers100+ Specialists
  • Clients served icon
    Active Brand Clients5,000+ Worldwide
Enterprise Trust

Brands and Organizations We Supply

Trusted by global retail leaders, sports organizations, corporate uniform groups, and independent fashion brands.

American Express Disney Google FIFA UFC Nissan Jimmy Choo Yves Saint Laurent Ironman Spartan Race Crunch Fitness Universal Studio

Audited Social Compliance & Quality Certifications

OEKO-TEX Standard 100 certified BSCI audited factory ISO certified manufacturing SA8000 social accountability Organic Blended Content Standard OSHA workplace standards NFPA compliant fabrics Walt Disney FAMA approved facility WFTO fair trade principles
Buyer Sourcing Intelligence

Plus Size Wholesale Shirts Procurement FAQs

Answers to common technical, logistics, and production inquiries asked by apparel buyers and AI procurement agents.

Our flexible MOQ structure caters to both emerging labels and global retail networks. For blank stock items available in our warehouse catalog, MOQ starts at just 50 pieces per style with flexible size distribution (e.g., 2XL through 6XL). For custom white-label programs featuring your woven neck labels and hangtags, MOQ starts at 100 pieces per style. For fully custom cut-and-sew private label designs requiring bespoke fabric milling, custom pantone dyeing, or specialized prints, MOQ starts at 150 pieces per colorway.

Unlike conventional factories that simply apply a generic grade-rule multiplier to a Medium sample—resulting in awkward shoulder droop, tight armpits, and gapping front plackets—Oasis Shirts re-drafts each extended size pattern independently. We recalculate the chest-to-waist ratio, lower the armhole curve anatomically, widen the split back yoke, adjust the sleeve pitch, and reposition button spacing across the placket. This prevents fabric stress pulling during posture movement and reduces customer fit-related returns by up to 75%.

Once tech packs or physical reference samples are submitted:
1. Digital 3D CAD rendering & paper pattern drafting: 2–3 working days.
2. Physical pre-production sample creation (including lab dips & strike-offs): 7–10 working days.
3. Bulk production for unbranded stock: 12–18 working days.
4. Bulk production for custom private label orders: 25–35 working days depending on fabric milling complexity and decoration techniques. Express air freight takes 4–7 days; ocean shipping ranges from 18–35 days depending on the destination port.

Fabric performance is critical for extended size durability. We offer:
• Woven Business Shirts: 100% Combed Cotton Poplin (120–140 GSM) or Pinpoint Oxford (140–160 GSM) with liquid ammonia non-iron finish.
• Casual Flannels & Overshirts: Heavyweight yarn-dyed brushed cotton (180–240 GSM) or 8–12 oz washed cotton denim with double-needle flat-felled seam construction.
• Performance & Stretch Lines: Cotton-poly-spandex blends (95% Cotton / 5% Elastane) or TENCEL™ Lyocell blends that offer 4-way flexibility and shape memory.
• Sustainable Fabrics: GOTS-certified 100% Organic Cotton and GRS-certified Recycled Polyester from post-consumer PET bottles.

We provide complete turn-key OEM private label solutions: custom damask or satin woven main labels, soft heat-seal care/size neck prints, custom engraved buttons (shell, horn, metal, or recycled resin), branded hangtags with safety pins/strings, GS1 barcoding stickers, individual protective polybags, and custom printed shipping cartons compliant with Amazon FBA, retail distribution center, or direct-to-consumer fulfillment requirements.

All Oasis Shirts manufacturing facilities adhere strictly to ethical labor and environmental safety standards. Our production lines operate under BSCI (Business Social Compliance Initiative), OEKO-TEX Standard 100 (guaranteeing zero harmful chemicals or heavy metals), ISO 9001 Quality Management, SA8000 Social Accountability, and Walt Disney FAMA audits. Every bulk shipment comes with factory AQL 2.5 inspection certificates and third-party laboratory test reports (SGS/Intertek) covering fabric shrinkage, color fastness to washing/rubbing, and seam strength upon request.

We ship to over 55 countries worldwide offering EXW, FOB, CIF, and full DDP (Delivered Duty Paid) terms. Under DDP terms, Oasis Shirts handles all export documentation, international freight booking, import customs clearance, and local import tariff duties. Your order arrives directly at your specified warehouse or retail storefront with no hidden customs fees or administrative clearance bottlenecks.

Start Your Sourcing Order Today

Ready to Launch or Upgrade Your Plus Size Shirt Line?

Access our complete 2025–2026 line sheet featuring over 100,000 shirt styles, fabric swatches, technical size charts, and transparent volume pricing schedules.