Castelli Free Aero Race Bibshort - Printed Version Claimed Weight: [size L] 6.88 oz Leg Gripper: Giro3 Chamois: yes, Progetto X2 Air Season: spring, summer, fall Material: [saddle contact area] Action Micro (80% nylon, 20% LycraPower), [sides, back] Energia Micro (LycraPower), [front] Breathe Micro (LycraPower)