Seamless Women's Underwear

Seamless Women's Underwear

-- Steady & Reliable Manufacturer --

Overview

Our seamless women's underwear is engineered using circular knitting technology to eliminate conventional seams — delivering a smooth, second-skin fit that is virtually invisible under clothing. Produced in a range of fabric compositions including modal spandex, bamboo viscose spandex, and recycled fiber blends, these styles are suited to athleisure, everyday basics, and premium comfort-first ranges alike.

Introduction

Seamless underwear has seen sustained demand growth across women's intimate apparel, driven by the preference for clean silhouettes under fitted outerwear and activewear. The seamless knitting process integrates the fabric construction and garment shaping into a single manufacturing step — reducing material waste compared to cut-and-sew production, and eliminating the friction points that seams introduce.

Tianhong's seamless women's underwear is available across multiple fabric compositions, waistband styles, and silhouette options. Buyers can select from existing base styles for faster development, or commission fully custom ODM designs with proprietary pattern structures. Our seamless production capability supports both small development runs and high-volume repeat orders for brands at scale.

Specification

ConstructionCircular seamless knitting
Fabric OptionsModal/Spandex; Bamboo Viscose/Spandex; Recycled Polyester/Spandex; Lyocell/Spandex
Fabric Weight140–200 gsm depending on fiber composition
Available SilhouettesSeamless brief, seamless hipster, seamless thong, seamless boyshort
Waistband OptionsIntegrated seamless band; silicon printing; embossed; geometry collection
SizesXS – 2XL (standard); extended sizing on request
ColorsCustom Pantone matching; dope dyeing available on selected constructions
CertificationOeko-Tex 100; OCS available for organic fiber compositions
MOQ500 pcs per style/color (seamless); negotiable for ODM programs
Lead Time35–50 days after sample approval
LabelingHeat transfer label preferred (maintains seamless finish); woven label available on waistband
PackagingPolybag, hang tag, flat pack, custom retail packaging

Application

  • Athleisure and activewear brands — seamless construction eliminates chafing and visible panty lines, making these styles compatible with fitted leggings and workout apparel.
  • Premium everyday basics lines — the smooth profile and high-stretch performance appeal to consumers prioritizing comfort and discretion under everyday clothing.
  • Shapewear-adjacent categories — light compression seamless styles can bridge the gap between standard underwear and light shapewear.
  • Travel and lifestyle brands — lightweight, packable, quick-drying seamless underwear is a consistent seller in travel-focused product ranges.
  • Subscription and multi-pack programs — high repeat purchase rate category; seamless basics with consistent sizing work well for subscription box and value-pack formats.
  • Sustainable fashion collections — seamless production generates less fabric waste than conventional cut-and-sew, supporting lower-waste manufacturing claims.

Advantage

  • No visible seams or chafing points — circular knitting produces a smooth, continuous fabric structure with no raised seam lines, improving comfort and discretion under fitted clothing.
  • Multiple fabric composition options — buyers can select the fiber blend that best fits their product positioning: modal spandex for softness, bamboo viscose for a sustainable story, recycled polyester for environmental credentials, or lyocell for a premium drape.
  • Reduced fabric waste in production — seamless knitting generates minimal cutting waste compared to conventional cut-and-sew underwear manufacturing, supporting lower-impact production claims.
  • High stretch and recovery — spandex-blended seamless fabrics offer excellent elasticity with reliable shape retention wash after wash.
  • Heat transfer labeling standard — maintains the seamless aesthetic from construction through to labeling; no scratchy internal labels.
  • Faster development with base styles — buyers can select from existing seamless base patterns and apply custom colors, waistbands, and branding — reducing development time versus fully custom patterns.
  • Dope dyeing availability — on selected seamless constructions, dope dyeing can be applied to reduce water use and strengthen environmental marketing claims.

Customized service

Fabrics Options

Semi-matt recycled nylon spandexSemi-matt recycled nylon spandex
Recycled polyester spandexRecycled polyester spandex
Recycled polyester spandexRecycled polyester spandex
Matt recycled nylon spandex interlockMatt recycled nylon spandex interlock
Matt recycled nylon spandexMatt recycled nylon spandex
organic bamboo/cotton stretchorganic bamboo/cotton stretch
Cotton/modal stretch ribCotton/modal stretch rib
Modal/polyester stretch french terryModal/polyester stretch french terry
Modal spandexModal spandex
Modal/lyocellstretchModal/lyocellstretch
Lyocell spandexLyocell spandex
Bamboo/polyester stretchBamboo/polyester stretch
Organic cotton spandexOrganic cotton spandex
Bamboo/polyester stretchBamboo/polyester stretch
Cotton spandexCotton spandex

Types of Waistbands

Embossed and debossed collectionEmbossed and debossed collection
Geometry collectionGeometry collection
Girl style collectionGirl style collection
Heather grey collectionHeather grey collection
Printing collectionPrinting collection
Recycled collectionRecycled collection
Silicon printing collectionSilicon printing collection
Super stretchable collectionSuper stretchable collection

Diverse Craftsmanship Options

Rolled hem
Overlock edge
Triangle stitch
Triple needle, five-thread
Double needle hem
Quadruple needle, six-thread

Custom Private Labellings

The fashion industry has shifted towards diverse label options, enabling clothing brands not only to be self-sufficient but also to establish unique brand identities. The advantages offered by private label clothing have opened new doors for manufacturers, allowing them to establish their influence in the fashion industry through distinctive brand concepts and attract a larger customer base.

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Custom Clothing Packaging

Packaging is an essential aspect of running a successful clothing business, and this is where custom clothing packaging comes into play. The advantage is that there are numerous brands that can provide custom packaging bags for clothing products based on specific requirements, allowing you to fully utilize the packaging of your products.

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Customized For Your Business

By offering comprehensive ODM and OEM services, we allow customers to customize underwear based on their specific needs and brand requirements. Our company aims to provide a seamless collaborative experience, enabling customers to realize their unique underwear concepts while maintaining high quality and brand integrity.

GET STARTED
Premium quality since 2001
Company Profile
Nantong Tianhong Textile Technology Co., Ltd.

Nantong Tianhong Textile Technology Co., Ltd., established in 2001,As an OEM/ODM Supplier and Factory, has been dedicated to the research, manufacturing, and sales of underwear products as our core mission. Throughout our extensive journey, we have steadfastly adhered to the principles of sustainable development. We focus on developing and producing environmentally friendly functional fabrics, striving to provide our customers with high-quality and traceable supply chain management services.

Located in Nantong, the heartland of China's textile industry, Tianhong leverages its rich textile heritage and a well-established industrial chain to deliver OEM/ODM products and services of renowned labels. This has enabled us to forge reliable and long-term business partnerships with clients in Europe, North America, and the domestic Chinese market.

Our unwavering commitment to sustainable development serves as the driving force behind Tianhong's progress. To ensure environmental friendliness and sustainability, a range of our products have obtained certifications such as fsc, OCS, and Oeko-Tex 100. Moreover, We expect ourselves to meet the strict standard in raw material sourcing and production processes to better meet customer demands.

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WHERE THE TRUST CAME FROM ?

Certification

amfori BSCI

BSCI

BSCI stands for Business Social Compliance Initiative. It is a global business association that promotes social compliance in supply chains.

FSC

FSC®

This certification ensures that the labelled products were produced using wood from forests managed in a sustainable way.

OCS

OCS

Organic Content Standard (OCS). Certify textile products, manufacturing activities. Enhance textile products made with natural fibers.

OEKO-TEX

OEKO-TEX®

The OEKO-TEX® STANDARD 100 is an independent assessment and certification system applicable worldwide for raw materials.

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