The Men's Patagonia Long-Sleeved Dirt Craft Bike Jersey is a moisture-wicking top for working up a sweat on the bike trails. Capilene Cool Daily fabric makes up the main body, while Airshed fabric is featured on the shoulders, outer arms, and rear hem. This combination wicks sweat, stretches for movement, and provides extra cooling where you need it most as you whip along the trail.