Men's 2026 Castelli Tri Short Size:XXXL Meet Hydra

Meet Hydra

With a bold half-frame design that's 13% lighter than its predecessor

and effortless stretch — supporting your body as it unwinds

This is achieved by using a revolutionary additive

giving you access to the refined adjustability of the A3A platform without needing to overhaul your entire cockpit

Men's 2026 Castelli Tri Short Size:XXXL Meet HydraThe Men's Castelli Tri Short (2026 model) is a high performance triathlon bottom designed as a versatile, race ready short for swim bike run transitions, ideal for pairing with Castelli tri tops in two piece kits or for brick sessions and multi discipline training. This premium short delivers an excellent anatomic fit with quick drying, lightweight fabrics that minimize water absorption during the swim and dry fast for the bike and run. It features