We Design Underwear That Defines Comfort & Style
Underwear Manufacturers in USA – Custom, Private Label & Wholesale
At Seam Apparel, we help startups, e-commerce brands, wholesalers, and retailers bring their underwear collections to life with high-quality, fully customizable solutions. As a trusted underwear manufacturer in USA, we specialize in custom underwear manufacturing, private label production, and wholesale supply, offering both men’s and women’s underwear lines with low MOQs and scalable manufacturing for larger orders.
Whether you’re launching a new lingerie brand, building a men’s underwear line, or scaling an established business, Seam Apparel is recognized among the top underwear manufacturers USA trusted for quality, flexibility, and innovative design.
At Seam Apparel we stand out for:
- Premium Fabrics: Cotton, modal, bamboo, spandex, and sustainable blends that prioritize softness and durability.
- Full Customization: Styles, fits, trims, waistbands, prints, embroidery, woven labels, and branded packaging.
- Low MOQ (50 Pieces): Accessible for startups and boutique brands.
- Scalable Production: Consistent quality from small runs to bulk orders.
- Private Label Expertise: Recognized among leading private label underwear manufacturers USA.
- Fast Turnaround: Efficient production timelines without sacrificing precision.
- Men’s & Women’s Lines: Expertise in diverse product ranges.
With Seam Apparel, you don’t just get an underwear supplier; you gain a reliable partner invested in your brand’s growth.
Our Underwear Manufacturing Capabilities
We cater to a wide range of underwear types and categories to meet the needs of diverse markets.
Men’s Underwear
- Boxers, briefs, trunks, boxer briefs
- Performance & athletic underwear
- Shapewear and thermal underwear
- Custom-made men’s underwear with unique fits and branding
Women’s Underwear
- Bikinis, hipsters, thongs, boy shorts
- Seamless underwear and shapewear
- Sports & performance underwear
- Lingerie-style basics for everyday comfort
Sustainable Fabrics
- Organic cotton
- Bamboo and modal
- Recycled fabric blends
- Eco-conscious underwear manufacturing for green brands
Specialized Options
- Print on demand underwear (custom prints, logos, and designs)
- Functional lines like maternity underwear or thermal pieces
- Premium men’s underwear made in USA with exclusive branding
Private Label & Custom Underwear Manufacturing
Seam Apparel is trusted as a leading private label underwear manufacturer USA, helping brands create unique collections under their own label.
Our private label services include:
- Custom Branding: Woven labels, printed tags, care labels, and customized packaging.
- Design Flexibility: Waistbands with logos, trims, colors, and fabric blends to suit your brand identity.
- Wide Range of Fits & Styles: From classic essentials to fashion-forward cuts.
- Wholesale & Custom Orders: Solutions tailored for both startups and established retailers.
Whether you’re looking for custom made underwear, private label underwear USA, or bulk wholesale solutions, Seam Apparel ensures your brand stands out in the competitive lingerie and underwear market.
Local. National. Global.
Clients We Serve Globally
We are recognized as a reliable underwear manufacturer USA, delivering to multiple industries worldwide:
- Intimate Apparel Brands – Custom lingerie, panties, and bras with unique designs.
- Fashion Startups – Private label underwear manufacturing with low MOQ.
- E-Commerce Retailers – Trend-driven underwear collections tailored for online markets.
- Wholesale Distributors – Bulk underwear supply with competitive pricing and consistent quality.
Our Underwear Manufacturing Process
Our structured process ensures comfort, durability, and brand integrity at every stage
Share your designs, specs, and goals for review
Cotton, bamboo, modal, sustainable blends for premium feel and function
Create prototypes for fit testing and approvals
Expert tailoring with focus on precision fit and long-lasting comfort
Add logos, custom waistbands, sublimation prints, or embroidery
Rigorous stretch, wash, and comfort testing to meet global standards
Folding, tagging, labelling, and custom-branded packaging
Global shipping with fastest reliable logistics partners
This process ensures that every piece of underwear produced is ready to delight your customers and strengthen your brand.
Frequently Ask Question
Partner With Seam Apparel – Trusted Underwear Manufacturer USA
Searching for reliable underwear manufacturers in USA? Seam Apparel is your trusted partner for premium-quality, custom underwear manufacturing, private label solutions, and wholesale production. From startups to established labels, we deliver the expertise, flexibility, and scalability your brand needs.
Yes, we produce a full range of men’s, women’s, and unisex underwear lines.
Absolutely. We provide private label services, including woven waistbands, labels, and branded packaging.
We work with cotton, modal, bamboo, spandex blends, and sustainable fabrics like organic cotton and recycled fibers.
Yes, we specialize in eco-friendly underwear manufacturing, including organic cotton and bamboo-based fabrics.
Our minimum order quantity starts at just 50 pieces, making it ideal for startups and boutique labels.
Yes, we manufacture premium men’s underwear in USA along with globally sourced fabric options.