10 Best Triathlon Wetsuits 2025 in the United States

The Synergy Endorphin Men's Full Sleeve Triathlon Wetsuit is designed for triathletes of all levels, offering a great balance of performance and comfort. Made from high-quality Yamamoto #39 neoprene with a silicone coating, it provides excellent flexibility—claimed to stretch up to 680%, which helps with free arm movement during swimming. The wetsuit’s thickness varies from 5mm in the core for maximum buoyancy (helping you float higher and swim more efficiently) to thinner 2mm panels on the arms and shoulders for better mobility. This makes it suitable for colder water while still allowing a good range of motion. The fit is enhanced by a wide size range, aimed at securing a snug but comfortable feel, which is crucial in keeping water entry minimal and improving swim speed.

The YKK internal zipper is corrosion-resistant and designed to reduce drag, which is a nice touch for serious swimmers. The soft, low neck design adds comfort without restricting movement. Since it’s a 5mm thick wetsuit, it might feel a bit bulkier or warmer than thinner options if used in temperate or warm water. While it has many features for flexibility and buoyancy, some users might find pricing or availability a consideration as it’s a specialized product. The 2-year warranty provides reassurance for durability. This wetsuit is ideal for triathletes seeking a reliable, high-buoyancy wetsuit that balances warmth, flexibility, and speed, especially in colder open-water conditions.

The Synergy Triathlon Wetsuit 3/2mm is designed for triathletes of all levels, including Ironman competitors, making it a solid option if you want a reliable, race-approved wetsuit. Made from neoprene with a smoothskin silicone-coated surface, it offers good buoyancy thanks to the thicker 3mm panels on the core and slightly thinner 2mm panels on the legs and back. This thickness combination helps you float better and swim faster while maintaining flexibility, which is important for comfortable movement during your race. The full sleeve design and wide range of sizes ensure a snug fit, which is crucial to prevent water from seeping in and slowing you down.

The wetsuit features a high-quality YKK zipper inside to reduce drag and improve durability, plus a soft neck that feels comfortable and avoids irritation. It is a reasonably lightweight wetsuit at about 1.38 kilograms, which helps reduce fatigue over long swims. The one-year warranty adds peace of mind for your investment.

For most triathletes seeking a flexible, buoyant wetsuit that balances performance and comfort without breaking the bank, the Synergy Volution Full Sleeve wetsuit presents a dependable choice.

The Synergy Triathlon Wetsuit Women's Endorphin Full Sleeve is designed for triathletes of all levels, offering a range of sizes to ensure an optimal fit. The wetsuit uses Yamamoto #39 hydrodynamic neoprene with SCS silicone coating, contributing to superior performance in the water. Its Astro Thermal liner adds warmth, making it suitable for colder temperatures.

The wetsuit features a 5mm thick core buoyancy panel, 3mm lower legs and back, and 2mm arms and shoulders, providing maximum buoyancy which is particularly beneficial in cold water, helping you float higher and move faster, thus saving energy during a triathlon. The flexibility of the suit is impressive, offering 680 percent stretch, which allows for a full range of motion without restriction. The YKK anti-corrode internal zipper helps reduce drag, further enhancing your swimming efficiency.

Additionally, the soft low neck with smoothskin ensures comfort, preventing chafing or discomfort around the neck area. However, the wetsuit's thickness may be a bit much for warmer waters, and its high buoyancy might not be as beneficial for more experienced swimmers who prefer less buoyancy. The 2-year warranty provides peace of mind, though it requires product registration and only applies to the original owner. This wetsuit is well-regarded and offers excellent features tailored for triathletes, particularly those competing in cold water events.