Castelli 2016 Men's Cannondale Volo Cycling Bib Short - V4206008 Lycra Affinity Lycra 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 Mesh straps for comfort and breathability Improved form-fit cut for cycling position Reflective detailing on back