Seamless Plus Size Collection
- 18 yrs manufacturing
- 50+ countries served
- OEKO-TEX Standard 100
01 – Market Trends
Active Lifestyle Driving Seamless Plus Size Demand
The global activewear market is undergoing a significant transformation as athletes and fitness enthusiasts increasingly demand seamless plus size that enhances performance while reducing chafing and discomfort. The shift toward functional, high-performance apparel is reshaping consumer expectations across all sport and fitness categories.
Major sports brands and emerging direct-to-consumer labels are investing heavily in seamless plus size technology, recognizing that advanced knit construction delivers superior moisture management, compression zoning, and freedom of movement. European and north american markets lead adoption, while asia-pacific shows the fastest growth trajectory.
With the rise of athleisure and cross-category dressing, seamless plus size is expanding beyond pure athletic use into everyday wear. The convergence of performance technology and lifestyle comfort positions this segment for sustained growth across multiple consumer demographics.
1000+PCS
MOQ per SKU
35-45 d
Lead Time
7*24h
Response
800K
Monthly Capacity
02 — Application Scenarios
Unlock Your Potential with the Plus Size Collection.
Gym & Strength Training
Weightlifting and strength workouts
- Designed specifically for weightlifting and strength workouts using advanced seamless knitting technology
- Compression zones for muscle support for enhanced comfort and functionality
- Perfect fit that moves with your body during weightlifting and strength workouts
- Durable construction built to withstand the demands of daily weightlifting and strength workouts
Cardio & HIIT
High-intensity interval training
- Optimized for high-intensity interval training with targeted comfort features
- Moisture-wicking and quick-dry technology keeps you comfortable throughout the day
- Seamless design eliminates irritation during extended high-intensity interval training
- Versatile enough for both dedicated high-intensity interval training and casual wear
Outdoor Running
Outdoor running and jogging
- Purpose-built for outdoor running and jogging with specialized fabric technology
- Wind-resistant and breathable panels delivers reliable performance when you need it most
- Lightweight construction makes it ideal for outdoor running and jogging
- Easy-care fabric maintains its appearance through repeated use
Post-workout Recovery
Cool-down and recovery
- Tailored for cool-down and recovery with user-focused design elements
- Gentle compression for muscle recovery enhances your experience during cool-down and recovery
- Adaptable design transitions seamlessly between activities
- Premium quality construction ensures lasting value and performance
03 — Product Lineup
The Complete Seamless Plus Size Collection
Seamless Plus Size Underwear
| Specifications | Details |
| Product Name | S-SHAPER Seamless Plus Size Underwear |
| Style Options | High-Waist / Mid-Waist / Boyleg |
| Waistband Technology | Extra-wide knit-in elastic waistband (5-8cm), no roll, no dig |
| Side Seam Structure | Zero side seam tubular knit, eliminates inner thigh chafing |
| Gusset Design | Seamless crotch zone + extra-wide cotton-feel lining |
| Size Range | 2XL – 6XL |
| Fabric Options | Modal Blend, Silver Ion Antimicrobial, Recycled Nylon |
| Labeling Method | Heat-transfer tagless |
| MOQ | 1000 Pcs/style/color |
Seamless Plus Size Bra
| Specifications | Details |
| Product Name | S-SHAPER Seamless Plus Size Bra |
| Construction Type | Integrated knit fixed cup (wire-free) |
| Strap Design | Extra-wide knit straps (2.5-3.5cm), fixed/adjustable options |
| Underband Technology | Extra-wide knit-in elastic underband (wire-free, no dig) |
| Side Wing Compression | Enhanced side-wing compression knit for bulge control |
| Back Design | U-Back / Racerback / Full Coverage |
| Size Range | 2XL – 6XL (up to F cup) |
| Fabric Options | Modal Blend, High-Stretch Ribbed Nylon, Cooling Yarn |
| MOQ | 1000 Pcs/style/color |
Seamless Plus Size Shaping Bodysuit
| Specifications | Details |
| Product Name | S-SHAPER Seamless Plus Size Shaping Bodysuit |
| Construction Type | Integrated knit one-piece body (zero side seams, zero waistline seam) |
| Neckline Options | V-Neck / Square Neck / Crewneck |
| Sleeve Options | Sleeveless / Short Sleeve |
| Back Design | U-Back / Full Coverage |
| Shaping Zones | Underarm compression / Graduated waist cinching / Hip lift |
| Crotch Closure | Metal snap crotch / Pull-on |
| Size Range | 2XL – 6XL |
| Fabric Options | High-Stretch Ribbed Nylon, Recycled Nylon |
| MOQ | 1000 Pcs/style/color |
Leading brand in dynamic insulation
+10°C
30% Lighter
30% Less Material Used
21℉ Warmer Than Competitors
Our new-generation functional insulation fabric delivers up to 30% better thermal performance compared to conventional materials.
Through advanced structure optimization, it reduces material usage by 30% while maintaining the same level of warmth and comfort.
Leading Brand in the Field of Sustained Cooling Sensation
-2°C
The World’s Only Material with Continuous Cooling Performance
Heat Release Cooling Material
Our advanced cooling functional fabric delivers efficient thermal regulation for enhanced comfort in warm environments.
Through advanced material design, it effectively reduces body heat accumulation while lowering overall carbon footprint by up to 50%.
04 — Why S-sHAPER
Built around real performance, comfort, and scalability needs.
Built on real performance needs, S-SHAPER addresses comfort, support, and durability through advanced material and structural innovation.
01
Seamless Comfort
Traditional seams create friction and pressure.
Advanced seamless construction. Smoother contact and unrestricted movement throughout wear.
02
Unbalanced Support
Generic garments lack targeted body support.
Engineered compression zones. Balanced flexibility and support across key body areas.
03
Heat & Moisture Build-Up
Sweat accumulation reduces wearing comfort.
Breathable technical knitting. Enhanced airflow and moisture management for all-day comfort.
04
Fit Instability
Repeated wear can affect garment shape and fit.
High-stretch performance fabric. Reliable shape retention and adaptive body conformity.
05
Skin Irritation
Rough materials can irritate sensitive skin.
Soft-touch functional yarns. Lightweight comfort with smooth next-to-skin feel.
06
Production Limitations
Brands need reliable scaling and customization support.
Integrated OEM/ODM capability. Flexible manufacturing and private-label development solutions.
05 — Material Engineering
The technology behind seamless performance.
Every seamless product begins with advanced fiber engineering. At S-SHAPER, we combine premium technical yarns with Santoni seamless knitting technology to achieve optimal stretch, breathability, thermal regulation, durability, and next-to-skin comfort across multiple performance applications.
High-Stretch Performance Nylon
Engineered nylon fibers offering exceptional elasticity, recovery, and long-term shape retention during active movement.
For: Activewear · Shapewear · Base Layers
Silver Ion Antimicrobial Fiber
Silver-ion infused yarn technology designed to reduce odor-causing bacteria and maintain freshness during extended wear.
For: Sportswear · Medical Wear · Workwear
Far-Infrared Thermal Fiber
Bio-ceramic infused fibers engineered to retain body heat and improve thermal comfort in low-temperature environments.
For: Thermal Wear · Outdoor Systems · Winter Layers
Moisture-Wicking Cooling Fiber
Advanced cooling yarns developed for rapid moisture transfer, heat dissipation, and breathable next-to-skin comfort.
For: Activewear · Shapewear · Base Layers
Ultra-Soft Skin-Friendly Fiber
Soft-touch yarn systems designed to minimize irritation while enhancing comfort for sensitive and prolonged wear applications.
For: Maternity · Intimates · Loungewear
Merino Wool Technical Blend
Fine merino wool blended with performance fibers for natural temperature regulation, softness, and odor resistance.
For: Outdoor Wear · Socks · Cold Climate Systems
Recycled Sustainable Fiber
Certified recycled yarns engineered for environmentally responsible seamless production without compromising durability or comfort.
For: Sustainable Collections · OEM Programs · Eco Performance Wear
UV Protection Fiber
Technical UV-resistant yarns engineered to provide lightweight sun protection and breathable comfort for prolonged outdoor exposure.
How we make your order.
Brief & Quote
Send tech pack or references. Detailed quote within 48 hours.
Sampling
Pattern, knit trials, fitting. Up to 2 sample rounds included.
PO & Deposit
Sign PI, 30% T/T deposit triggers procurement.
Production
Knitting, sewing, dyeing, AQL 2.5 inspection.
Shipment
Final inspection, balance payment, port handover.
Questions answered.
08 — Related Products
You may also interested in those Collection
09 — Knowledge Hub
Industry insights.
Let's build your next best-seller together.
S-SHAPER does not sell under its own brand. We are 100% focused on OEM and ODM services — engineering seamless shapewear and base layers exclusively for your label.