Designed for Every Body. Made for Your Brand.
OEM / ODM & Private LabelThe collection includes uniform undershirts, base layer tops, and base layer leggings. Seamless warp-knit construction provides invisible zero-side-seam layering under uniforms, while moisture-wicking, antimicrobial, and high-stretch comfort features deliver a “second-skin” experience for professionals wearing uniforms all day. Ideal for B2B bulk customization: corporate procurement, school uniforms, healthcare institutions, and hotel groups.
01 – Market Trends
Rising participation in sports and fitness activities worldwide is fueling demand for seamless uniform base layer, offering superior performance and durability.
The global activewear market is undergoing a significant transformation as athletes and fitness enthusiasts increasingly demand seamless uniform base layer 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 uniform base layer 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 uniform base layer 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
Whether at the gym or on the field, the seamless uniform base layer collection provides the adaptive performance you need to excel.
Functional fitness and boot camp
Cycling and spinning classes
Swimming and water athletics
Active travel and adventure
03 — Product Lineup
A coordinated seamless uniform base layer collection featuring seamless uniform undershirt (tank), seamless uniform base layer top, and seamless uniform base layer leggings, engineered for seamless integration or standalone private-label development.
| Specifications | Details |
|---|---|
| Product Name | S-SHAPER Seamless Uniform Undershirt (Tank) |
| Construction Type | Integrated knit tank top (zero side seams) |
| Neckline Options | U-Neck / V-Neck / Racerback |
| Strap Width | Standard / Wide Strap |
| Functional Design | Moisture-wicking yarn, silver ion antimicrobial odor control, zero side seams invisible under uniform |
| Size Range | XXS – 6XL (covers all employee body types) |
| Fabric Options | Modal Blend, Silver Ion Antimicrobial, Recycled Nylon |
| Customization | Corporate logo heat-transfer / woven label |
| MOQ | 1000 Pcs/style/color (negotiable for bulk orders) |
| Specifications | Details |
|---|---|
| Product Name | S-SHAPER Seamless Uniform Base Layer Top |
| Construction Type | Integrated knit top body (zero side seams) |
| Neckline Options | Crewneck / V-Neck / Mock Neck |
| Sleeve Length | Short Sleeve / 3/4 Sleeve / Long Sleeve |
| Functional Design | Moisture-wicking, antimicrobial odor control, anti-stretch collar, zero side seams invisible |
| Size Range | XXS – 6XL |
| Fabric Options | Modal Blend, Silver Ion Antimicrobial, Far-Infrared Thermal (winter) |
| Customization | Corporate logo / department identifier |
| MOQ | 1000 Pcs/style/color |
| Specifications | Details |
|---|---|
| Product Name | S-SHAPER Seamless Uniform Base Layer Leggings |
| Construction Type | Integrated tubular knit pant body (zero side seams) |
| Length Options | Short / 3/4 / Ankle / Full Length |
| Waistband Technology | Knit-in elastic waistband (no sewn elastic, all-day comfort) |
| Functional Design | Moisture-wicking, antimicrobial odor control, zero side seams invisible under uniform pants/skirts |
| Size Range | XXS – 6XL |
| Fabric Options | Modal Blend, Silver Ion Antimicrobial, Far-Infrared Thermal Yarn |
| Customization | Corporate logo |
| 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
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