Climber's 2.0 Jersey Women's Outdoors Thigh ventilation system with watertight

Thigh ventilation system with watertight YKK® Aquaguard® zippers

Larger standalone items have a home in the separate main compartment

Our original Radar® eyewear combined everything we learned from decades of research with the world’s best athletes

TPU toecap provides protection from abrasion

B-DRY Waterproof - There’s no denying feet sweat and trails can get muddy

Climber's 2.0 Jersey Women's Outdoors Thigh ventilation system with watertightCastelli made this jersey specifically for hot weather, with a meshy fabric on the front that allows a lot of air to flow through the fabric to cool you, while on the back there is a fabric that blocks over 90% of UV rays while also being airy and lightweight. But don't think of it as a niche jersey that you only bring out for hot days. Add a base layer underneath it and you'll use it from mid spring to early fall, and the stretch of the fabrics that