Castelli Competizione Jacket Parts & Accessories The TR5 is an ultra-stiff

The TR5 is an ultra-stiff and lightweight triathlon shoe designed to quicken transitions and optimize your power transfer

Its MaxxSpeed compound and EXO protection provide an edge for any racer

Built off the patterning used in our professional level Helix wetsuit

A three-element traction surface and World Cup-proven Plus Finish grips and climbs even in variable or changing snow conditions

the most frequently asked question is: how quiet is it

Castelli Competizione Jacket Parts & Accessories The TR5 is an ultra-stiffDesigned to do everything well, for riding in cold and sometimes wet conditions. Part of the technology comes from the Polartec AirCore fleece lined 298 g fabric. Its exceptionally warm, with a micro grid inside that traps air for insulation, and fully windproof. Its also exceptionally breathable, with 0. 7 CFM air permeability thats unmatched in fabrics providing over 5,000 mm hydrostatic head rain protection (translation: you stay dry). And its PFAS