Great for warmer riding conditions, the Velo AR Bike Jersey features a 14 zip, moisture wicking fabric, and small hole mesh panels for cooling ventilation. Three pockets at the back hold riding essentials.. . . . . Body and panels made from polyester and spandex fabric. Small hole mesh panels under the arms and at upper back enhance moisture management with cooling ventilation . Moisture wicking and quick drying fabric keeps you comfortable. 14 zip for cooling ventilation. Stretch fabric for a comfortable, nonrestrictive fit. Elasticized hem to keep jersey in place . Three pockets at back hold essentials. Reflective logos at front and back. Flatlock seam for chafe free comfort . . .