10 Best Tri Shorts 2025 in the United States

The Castelli Men’s Tri Short offers a fitted design that is ideal for triathletes seeking comfort and versatility in a two-piece race kit. Its standout feature is the KISS Tri seat pad, which provides excellent cushioning for cycling without causing discomfort during the run. The secure fit is enhanced by an inside drawcord and SnapLock fastener, helping the shorts stay in place through swimming, biking, and running. This makes it a reliable option for triathlons or intense training sessions.

The shorts also have GIRO3 leg grippers, which prevent the fabric from sliding up, offering stability and comfort during movement. A rear pocket adds practicality for storing nutrition gels or energy bars, though there is only one pocket, which might be limiting for some users. The UPF 50+ rating is a great bonus, protecting your skin from sun exposure during outdoor workouts. The shorts require hand washing, which is normal for high-performance gear but might require more care than casual shorts.

Weighing just 6.4 ounces, they are lightweight and made either in the USA or imported. The design emphasizes comfort and function, making it a solid choice for triathletes who want a dependable tri short with good padding and secure fit features.

The Zoot Women’s LTD 6-Inch Triathlon Shorts are designed to perform well across all three triathlon activities: swimming, biking, and running. They use a high-quality, quick-drying fabric that offers breathability and UPF 50+ sun protection, helping keep you comfortable during long sessions outdoors. The shorts provide a supportive yet breathable compression fit with a wide waistband and an inseam drawstring, making it easier to get a snug, secure fit that stays in place without being too tight.

For pockets, the dual hip holster design is practical, allowing you to carry small essentials without interference during your activities. The seam construction uses Seamlink stitch technology, which minimizes chafing and improves comfort against your skin. These shorts are mid-rise and made with durable, stretchy fabric designed to last through many workouts.

They serve as a solid choice for women looking for versatile triathlon shorts that balance comfort, quick drying, and practical features, particularly if you appreciate the trusted quality of a brand like Zoot.

The MY KILOMETRE Mens Triathlon Shorts are made from a blend of regenerated polyamide and spandex, offering a comfortable stretch with added chlorine resistance, which is great for swimming in pools. They also provide UPF 50+ protection to shield your skin from the sun. The adjustable drawstring helps achieve a personalized fit, while the ultra-thin elastic leg grippers are designed to stay comfortable without the usual silicone irritation.

These shorts feature MK TRI 2.0 multi-density chamois padding tailored for the aero bike position, giving cushioning for both cycling and running segments of a triathlon. Flat locked stitching reduces chafing by following your body’s natural shape, enhancing comfort during longer races. On each leg, there are easy-to-reach storage pockets ideal for carrying nutrition or small essentials without slowing you down. The shorts are best hand-washed to maintain their quality.

They are designed to suit triathletes seeking a balance of comfort, practical storage, and durability through swimming, cycling, and running. The sizing is mainly medium, and the shorts are imported, so sizing may vary slightly; therefore, trying them on before a race is advisable.