Custom Rash Guards OEM/ODM | UPF50+ Flatlock Seams

Custom UPF50+ Rash Guard with Flatlock Seams for All Water Sports

Custom UPF50+ Rash Guard with Flatlock Seams for All Water Sports

We offer a full range of rash guards with UPF50+ sun protection, flatlock chafe-free seams and 4-way stretch fabric. Customizable in long/short sleeve, with quick-dry, abrasion & chlorine-resistant features, suitable for swimming, surfing, diving. Support OEM/ODM, free design and MOQ 50 with custom logo.
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Advantages of the product

Flatlock Chafe-Free Seams

Adopting flatlock chafe-free seam technology, the rash guard has a smooth surface, which can avoid skin friction and discomfort caused by long-time wearing and movement in the water, and improve the overall wearing comfort and experience.

Long/Short Sleeve Customizable

We support both long and short sleeve customization of rash guards, adapting to different water sports scenarios and seasonal needs. Long sleeves provide full-body sun protection, while short sleeves are more breathable and suitable for high-temperature environments, meeting diverse user needs.

Related products

Our rash guards are engineered for specific water sports performance, with specialized models designed to meet the unique demands of surfing, diving, snorkeling, paddle boarding and swimming—each crafted with targeted features that enhance performance, comfort and protection for the specific activity. Our surfing rash guards are the most performance-focused of our range, designed for the rigors of open-ocean and beach surfing, with a heavy-duty nylon/spandex blend (80/20) that offers maximum abrasion resistance to protect the skin from the surfboard deck, leash and sand. These rash guards feature a tight performance compression fit that reduces water resistance and improves hydrodynamics, allowing surfers to paddle faster and catch more waves, and the long sleeve design provides full protection from the sun, board wax and saltwater irritation. The flatlock seams are reinforced in high-stress areas (shoulders, underarms and torso) with marine-grade thread, preventing seam failure during intense surfing maneuvers such as pop-ups, cutbacks and aerials. For cold-water surfing, we offer a neoprene hybrid rash guard, constructed with a hybrid neoprene and high-stretch nylon panel design, featuring a quick-dry thermal micro-fleece lining that provides additional thermal insulation to keep the wearer warm in cooler water temperatures (15-20°C), while retaining the UPF50+ sun protection and abrasion resistance of our classic rash guards. These hybrid rash guards are also ideal for diving and snorkeling, as the thermal lining provides warmth during extended time in the water, and the neoprene panels add buoyancy and protection from sharp coral and marine life. Our diving and snorkeling rash guards are designed with a slightly looser fit than our surfing models (still a comfortable compression fit) to allow for easy layering under wetsuits and buoyancy control devices (BCDs), eliminating the bulk and discomfort that can come from wearing a tight rash guard under a wetsuit. The fabric is a lightweight nylon/spandex blend (85/15) that offers excellent stretch and breathability, with quick-drying performance that ensures the rash guard dries rapidly after diving or snorkeling, preventing chafing when layered with other gear. The long sleeve design provides full protection from the sun, coral, jellyfish and other marine life, and the flatlock seams are positioned to avoid rubbing against wetsuit zippers and seals. Our paddle boarding rash guards are designed for the unique demands of stand-up paddle boarding (SUP), with a balance of sun protection, breathability and mobility. We offer both long and short sleeve options, with a relaxed compression fit that allows for the full range of motion needed for paddling (rotating the torso and arms), and the fabric is treated with a moisture-wicking finish that keeps the wearer cool and dry during long hours of standing and paddling in the sun. A crew neck design with a soft neoprene trim prevents chafing from the paddle leash, and the fabric’s abrasion resistance protects the skin from accidental contact with the paddle board and deck pad. Our swimming rash guards are crafted for pool and casual open-water swimming, with a lightweight, ultra-soft nylon/spandex blend (90/10) that offers maximum comfort and flexibility for swimming strokes, with minimal water resistance. These rash guards feature a chlorine-resistant treatment that prevents fading, hardening and stretching out in chlorinated pool water— a common issue with regular swimwear—and the UPF50+ sun protection makes them suitable for outdoor pool use and casual open-water swimming. We offer both long and short sleeve options for swimmers, with a classic crew neck design and flatlock seams that prevent chafing during repetitive swimming movements. All our specialized rash guard models retain the core quality and safety features that define our brand: UPF50+ permanent sun protection, flatlock chafe-free seams, quick-drying and breathable fabric, and resistance to chlorine, saltwater and mildew. They are all available in a comprehensive range of sizes for men, women and children, with clear sizing charts based on chest, waist and hip measurements to ensure a proper fit for every user. Our factory’s technical team has extensive expertise in water sports performance, working closely with professional water sports athletes to design and refine our specialized rash guard models, ensuring that every feature is tailored to the specific needs of the activity. We conduct rigorous field testing with athletes and enthusiasts to validate the performance of our rash guards in real-world water sports scenarios, making adjustments to fabric blends, fit and design to optimize performance and comfort. Our customization capabilities extend to all our specialized rash guard models, allowing brand partners to create custom products tailored to their specific audience—whether it’s a surf brand looking for high-performance surfing rash guards, a diving center needing durable diving rash guards or a swim school requiring chlorine-resistant swimming rash guards. We can customize fabric blends, fit, colors, logos and patterns to meet the unique needs of each client, with our professional design team providing expert guidance on performance features and design aesthetics. For example, a national paddle boarding brand partnered with us to create custom short sleeve paddle boarding rash guards in their brand colors, printed with their logo via heat transfer printing, with a moisture-wicking finish and a relaxed fit that is ideal for SUP enthusiasts—these rash guards have become a top-selling product for the brand, with customers praising their comfort, breathability and sun protection for long days on the water. A diving center in the Caribbean commissioned us to produce long sleeve hybrid neoprene rash guards for their customers, with bright high-visibility colors and custom logo printing, designed to provide warmth and protection from coral and jellyfish during snorkeling and diving trips—these rash guards have been a hit with the center’s customers, who value their durability and performance in the warm, tropical waters of the Caribbean. At Bestway Sports, our specialized rash guard models are a reflection of our deep understanding of water sports and our commitment to crafting performance-driven products that meet the unique needs of every enthusiast. Our 17+ years of OEM/ODM experience, advanced production capabilities and focus on water sports performance make us the leading manufacturer of specialized rash guards for the global water sports industry. For detailed pricing information and custom order inquiries for our specialized rash guard models, please contact our sales team directly.

Frequently Asked Questions

Can I fully customize the design of a rash guard?

Absolutely. Customization is a core part of our business. We offer full customization on rash guards, as shown in products like the "Custom Surf Long Sleeve UV Rash Vest for Women" and "Custom Men's Surf Rash Guard." You can choose the style, color, and print, and we will apply your logo and design using techniques like sublimation printing for vibrant, long-lasting results.
We offer a wide variety of rash guard styles to suit different needs and preferences. Our range includes long sleeve and short sleeve options, crew necks, and even cropped styles like the "Cropped UPF 50 Rash Guard for Women." We have styles suitable for surfing, diving, swimming, and general beachwear, all designed for comfort and performance.

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Customer Reviews

David Brown

This men's rash guard is perfect for surfing. It's comfortable, dries quickly, and the UPF 50 protection is no joke – no sunburn after a long day in the water. The flatlock seams are comfortable and don't chafe.

Lisa Wong

I wore this long-sleeve rash guard for snorkeling and it was perfect. It protected my back from the sun and also from rubbing against my wetsuit. The quality is excellent, feels like it will last forever.

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UPF 50+ Protection for All-Day Fun

UPF 50+ Protection for All-Day Fun

Shield yourself and your customers from the sun with our premium rash guards. Featuring UPF 50+ technology and quick-dry fabrics like nylon/spandex, they are essential for surfing, swimming, and paddle boarding. As a top OEM supplier, we provide the quality and performance that leading brands trust.
Complete Family & Team Customization

Complete Family & Team Customization

From men's and women's crop tops to kids' long-sleeve styles, we offer a rash guard for everyone. Customize any style with your logo or full-sublimation prints using our advanced techniques. Perfect for creating a unified look for your team, resort staff, or a cohesive retail collection.
Factory-Direct Quality & Innovation

Factory-Direct Quality & Innovation

Benefit from our in-house design team and advanced production equipment. We combine innovation with fashion to create rash guards that perform and look great. Our factory-direct model ensures you get competitive pricing without compromising on the high quality that comes from an ISO9001 certified facility. Contact us for wholesale or custom orders.