MLY is a professional manufacturer specializing in the research, development, production, sale, and service of custom sportswear, swimwear, board shorts, chiffon cover-ups, and printed T-shirts. We have spacious 8,000 sqm factories, advanced workshops, and production lines with strict quality control. With state-of-the-art printing machines and experienced staff, we can perfectly transfer customers' designs onto fabrics, bringing your unique styles to life.
As the No.1 store of custom swimwear on Alibaba, we provide fully-customized swimwear solutions that cater to the evolving demands of active lifestyle hubs like Seattle. Any size, any pattern, any fabric—we can make it for you. Just send us pictures or sketches, and we will help you move on to samples. With over 20 years of industry experience, we serve 50+ countries and 2,000+ satisfied customers worldwide. Our professional QC team inspects every product to ensure consistent quality, and samples are available for your approval before bulk production.
Connect With UsSeattle, Washington, is globally recognized as a leading epicenter for technology, outdoor recreation, and environmental consciousness. Positioned along the shores of Puget Sound, Lake Washington, and Lake Union, the Pacific Northwest (PNW) lifestyle demands high-performance apparel that transitions seamlessly from active land adventures to cold-water marine environments. This unique regional lifestyle has birthed a highly specialized market for men's swimwear, where functionality, rapid thermal drying, and eco-sustainability are not just preferred features—they are absolute prerequisites.
"In the Pacific Northwest, men's swimwear is no longer confined to the beach. It has transformed into highly technical, multi-functional hybrid gear engineered for paddleboarding, kayaking, hiking, and urban social environments."
One of the most prominent trends in the Seattle men's swimwear industry is the massive shift toward hybrid board shorts. Modern consumers in Seattle demand clothing that can handle a morning hike up the Cascade Mountains, a midday paddleboard session on Lake Union, and an evening at a local microbrewery without requiring a change of clothes. To meet this demand, MLY utilizes advanced 4-way stretch fabrics composed of recycled polyester and elastane blends. These materials offer the structure and clean appearance of casual walkshorts alongside the water-repelling, quick-dry, and lightweight characteristics of high-performance swimwear.
Seattle's local business environment and consumer base are highly focused on environmental preservation. Consequently, local retailers and independent swimwear brands prioritze suppliers that offer sustainable manufacturing processes. MLY’s integration of eco-friendly, certified recycled fabrics (such as REPREVE® and ocean-bound plastics) directly aligns with this green movement. By offering custom men's swimwear constructed from recycled materials, we help Seattle-based brands appeal to the eco-conscious consumer, reducing carbon footprints while maintaining premium durability, UV protection (UPF 50+), and resistance to chlorine and salt water.
As a major international shipping hub, the Port of Seattle serves as a vital gateway for products coming from advanced textile factories in China. MLY’s streamlined export procedures, combined with Seattle’s robust maritime and air freight infrastructure, ensure that bulk orders are cleared and delivered efficiently. Whether you are an established retail chain in downtown Seattle, a growing e-commerce brand based in Bellevue, or an outdoor recreational club in the Pacific Northwest, our logistical integration ensures optimized transit times, minimal custom delays, and highly competitive shipping rates.
MLY offers professional and efficient pre-sales services supported by a dedicated sales team of over 30 members, ensuring fast response, clear communication, and reliable project follow-up throughout the customization process. We provide one-stop custom swimwear services, covering design consultation, fabric selection, sampling, production planning, and cost control.
Our experienced swimwear design team offers professional design guidance, helping clients refine silhouettes, fit, construction, and trend direction. With over 500 fabrics to choose from, 50+ new styles created every day, and an existing design library of more than 20,000 swimwear styles, we are able to support both trend-driven collections and classic designs for different markets.


During the pre-order stage, clients can share reference images, sketches, or concepts. Based on your budget, target price, and delivery timeline, we help create a clear and practical custom production plan to achieve the best balance between design, cost, and lead time.
Sample development is typically completed within 3–7 days, depending on design complexity. Throughout the sampling process, customers receive transparent updates via photos, videos, or real-time communication. Fit feedback and revisions are handled efficiently to ensure the final sample meets expectations before bulk production.
Learn More About UsAs a leading men's swimwear exporter, MLY is constantly integrating cutting-edge manufacturing technology to maintain our competitive edge in global markets, including hot spots like Seattle. Our production facilities are equipped with state-of-the-art sublimation printers, automated laser cutters, and advanced sewing machines that guarantee precision stitch lines and seam strength. These technological advancements enable us to cater to the high-quality benchmarks expected by premium brands in the United States and Europe.
Traditional screen printing methods often result in heavy, stiff designs that crack or fade when exposed to saltwater and sun. MLY utilizes digital sublimation printing, which bonds the ink directly with the polyester fibers on a molecular level. This technique ensures that complex patterns, vibrant neon colors, and intricate details remain sharp and lightweight, preserving the fabric's original breathability and stretch. For Seattle brands looking to launch bold, artistic, or custom logo-branded swimwear collections, this printing technology provides limitless design freedom without compromising performance.
Fit is paramount in men’s swimwear. The modern active man requires board shorts that do not ride up, chafe, or restrict movement during high-intensity water sports. Our design department employs advanced 3D CAD modeling software to simulate fabric behavior and optimize pattern cuts for different body types. By incorporating features such as anti-chafing compression liners, ergonomic pocket placements with drainage eyelets, and customizable drawcord systems, we deliver products that provide both comfort and performance.
Exporting to international markets requires strict adherence to environmental and safety regulations. MLY takes pride in our comprehensive quality control protocols. Every batch of fabric undergoes rigorous testing for colorfastness, stretch recovery, and chemical safety. Our manufacturing processes comply with international standards, ensuring that our products are free from harmful substances and safe for consumers of all ages. By partnering with MLY, Seattle companies can rest assured that their brand reputation is protected by world-class manufacturing standards.