Whats better than ripping down the mountain, you're riding absolutely on point Staying plenty cool while doing it. Our Womens Trail Air Short Sleeve jersey uses VaporRize, a super lightweight, breathable fabric, that keeps you cool, while feeling comfortable against your skin and protecting you from ultraviolet rays and trial side foliage. VaporRize fabric is made from our most breathable, lightweight fabric that uses a Recycled Polyester blend to create its superior wicking ability. VaporRize fabric is made from our most breathable, lightweight fabric that uses a Recycled Polyester blend to create its superior wicking ability. Crew neck collar keeps things casual and comfortable. Deflect UV 30 protects your skin from harmful, ultraviolet rays. Women's Specific Regular Mountain Bike Fit is generous and comfortable.