90% Polyester, 10% Spandex Imported ANTI-SLIP LEG GRIPS: The 1.8inch width, soft and subtle silicone leg grippers eliminate slipping and chafing and keep the chamois pad in the right place, letting you enjoy a comfortable long ride. SNUG, LIKE A SECOND SKIN: Ideal for leisure rides and commuting. Our mens cycling underwear shorts are made of lightweight, breathable mesh fabric which wicks away moisture dries quickly and features 4-way stretch for absolute cloud-like comfort. ERGONOMIC 4D PAD FOR MEN: Compact, seamless chamois with 4-way stretch and 4D, 6-layer premium protective multi-density foam padding provides comfort and durability. Meanwhile, the pad is perforated for air flow and ventilation in the saddle area, making it lightweight, breathable, and help to prevent saddle sores. WIDE ELASTIC WAISTBAND: Compared with regular mountain bike padded underwear shorts, the soft, 1.4inch non-binding waistband does a great job of comfortably holding the shorts in place from the top for best performance.