Castelli Pro Issue SS Base Layer Large WhiteThe Castelli Pro Issue SS Base Layer is a great lighter addition to your cycling wardrobe when you want to stay dry, but its still not super cold outside. The Castelli Pro Issue SS Base Layer uses 100% polyester 3D mesh fabric to wick moisture away from your skin. The wide color sits comfortably under aero jerseys. The flat waist hem lies flat in your shorts. Available in White.8055688140137