Castelli Size Chart Volo, as in Italian for "I'm flying," is meant to be the workhorse of race shorts. It's got outstanding fit, Castelli's excellent 200+ gram Affinity Lycra(R), the updated KISS Air2 seat pad that's the choice of a number of pro riders, and the exceptional GIRO Air leg gripper. For the race short podium, it's a photo finish. Features: - KISS Air2 seat pad for all-day comfort - Affinity Lycra(R) fabric on inside of leg for outstanding stretch and rebound - Affinity BLC textured fabric on legs for better aerodynamics - GIRO Air engineered mesh gripper - Flat-lock stitching - Reflective detailing on back - Mesh straps for comfort and breathability - Temperature range: 15deg-35degC / 59deg-95degF - Weight: 165g