Designed for Every Body. Made for Your Brand.
OEM / ODM & Private LabelAll products use OEKO-TEX baby-safe certified fabrics. Seamless warp-knit construction eliminates side seam chafing and tag irritation, providing comfortable, healthy, unrestricted wear for growing bodies. Includes underwear, camisoles, base layer tops, and athletic tights—ideal for school uniform layering, PE class, and everyday wear.
01 – Market Trends
The global seamless youth market is experiencing robust growth as athletes and fitness enthusiasts seek high-performance apparel that enhances mobility and comfort.
The global activewear market is undergoing a significant transformation as athletes and fitness enthusiasts increasingly demand seamless youth 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 youth 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 youth 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.
Our 800,000-piece monthly capacity is supported by 50 advanced seamless knitting machines and automated production systems, alongside 200+ industrial sewing machines. With approximately ten effective production months annually after planned holiday and maintenance periods, each seamless machine produces around 16,000 garments per month. This production structure ensures stable supply, consistent quality, and dependable delivery for large-scale industrial, performance, and professional apparel programs.
02 — Application Scenarios
The seamless youth collection is built for athletes who demand performance, flexibility, and durability from their gear.
Team practices and games
Yoga and stretching sessions
Cross-training and circuit workouts
Competition and race day
03 — Product Lineup
A coordinated seamless youth collection featuring seamless youth underwear, seamless youth base layer top, and seamless youth athletic tights, engineered for seamless integration or standalone private-label development.
| Specifications | Details |
|---|---|
| Product Name | S-SHAPER Seamless Youth Underwear |
| Style Options | Girls (Low-Rise/Mid-Rise) / Boys (Boxer/Brief) |
| Waistband Technology | Knit-in soft elastic waistband (no sewn elastic) |
| Side Seam Structure | Zero side seam tubular knit |
| Size Range | 8Y – 16Y (height 130-170cm) |
| Fabric Options | OEKO-TEX Certified Modal Blend, Recycled Nylon, Silver Ion Antimicrobial |
| Labeling Method | Heat-transfer tagless |
| MOQ | 1000 Pcs/style/color |
| Specifications | Details |
|---|---|
| Product Name | S-SHAPER Seamless Youth Base Layer Top |
| Neckline Options | Crewneck / Mock Neck |
| Sleeve Length | Short Sleeve / Long Sleeve |
| Side Seam Structure | Zero side seam tubular knit |
| Size Range | 8Y – 16Y |
| Fabric Options | OEKO-TEX Certified Modal Blend, Recycled Nylon, Far-Infrared Thermal (winter) |
| Labeling Method | Heat-transfer tagless |
| MOQ | 1000 Pcs/style/color |
| Specifications | Details |
|---|---|
| Product Name | S-SHAPER Seamless Youth Athletic Tights |
| Construction Type | Integrated tubular knit pant body (zero side seams) |
| Length Options | Short / 3/4 / Full Length |
| Waistband Technology | Knit-in soft elastic waistband |
| Size Range | 8Y – 16Y |
| Fabric Options | OEKO-TEX Certified Recycled Nylon, Silver Ion Antimicrobial |
| MOQ | 1000 Pcs/style/color |
+10 °C
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.
-2°C
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 on real performance needs, S-SHAPER addresses comfort, support, and durability through advanced material and structural innovation.
Seamless Comfort
Advanced seamless construction. Smoother contact and unrestricted movement throughout wear.
Unbalanced Support
Engineered compression zones. Balanced flexibility and support across key body areas.
Heat & Moisture Build-Up
Breathable technical knitting. Enhanced airflow and moisture management for all-day comfort.
Fit Instability
High-stretch performance fabric. Reliable shape retention and adaptive body conformity.
Skin Irritation
Soft-touch functional yarns. Lightweight comfort with smooth next-to-skin feel.
Production Limitations
Integrated OEM/ODM capability. Flexible manufacturing and private-label development solutions.
05 — Material Engineering
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.
Engineered nylon fibers offering exceptional elasticity, recovery, and long-term shape retention during active movement.
For: Activewear · Shapewear · Base Layers
Silver-ion infused yarn technology designed to reduce odor-causing bacteria and maintain freshness during extended wear.
For: Sportswear · Medical Wear · Workwear
Bio-ceramic infused fibers engineered to retain body heat and improve thermal comfort in low-temperature environments.
For: Thermal Wear · Outdoor Systems · Winter Layers
Advanced cooling yarns developed for rapid moisture transfer, heat dissipation, and breathable next-to-skin comfort.
For: Activewear · Shapewear · Base Layers
Soft-touch yarn systems designed to minimize irritation while enhancing comfort for sensitive and prolonged wear applications.
For: Maternity · Intimates · Loungewear
Fine merino wool blended with performance fibers for natural temperature regulation, softness, and odor resistance.
For: Outdoor Wear · Socks · Cold Climate Systems
Certified recycled yarns engineered for environmentally responsible seamless production without compromising durability or comfort.
For: Sustainable Collections · OEM Programs · Eco Performance Wear
Technical UV-resistant yarns engineered to provide lightweight sun protection and breathable comfort for prolonged outdoor exposure.
For: Outdoor Wear · Golfwear · Workwear · Water Sports
06 — From Concept to Delivery
Day 1-3
Send tech pack or references. Detailed quote within 48 hours.
Day 4-21
Pattern, knit trials, fitting. Up to 2 sample rounds included.
Day 22-25
Sign PI, 30% T/T deposit triggers procurement.
Day 26-65
Knitting, sewing, dyeing, AQL 2.5 inspection.
Day 66+
Final inspection, balance payment, port handover.
07 — Buyer FAQ
Yes. We provide OEM/ODM manufacturing services including logo customization, packaging development, color matching, size specifications, and full private-label seamless apparel programs.
We produce activewear, shapewear, maternity wear, underwear, medical compression garments, base layers, socks, and technical performance apparel.
Our production is based on advanced Italian Santoni seamless knitting systems, allowing precise compression control, body-mapped ventilation, and high-efficiency seamless garment construction.
Yes. We work with technical yarn suppliers from Italy, Japan, and Germany to develop antimicrobial, cooling, thermal, compression, and recycled yarn systems.
Yes. We offer product sampling and prototype development before bulk production to ensure fit accuracy and branding consistency.
All products undergo strict quality control throughout yarn sourcing, seamless knitting, dyeing, finishing, and final inspection to ensure durability, stretch performance, and consistency.
08 Let's Collaborate
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.
Born from Love ◆ Engineered for Precision
EN