Durable race-level moto pants that move with you. Mobility is everything when it comes to dialing in your best performance on the bike, and the Flexair Optical Pants are all about moving with you, at every turn. Designed to function seamlessly with the human body, theyre cut from lightweight and flexible materials which anticipate your every move. Flexair gear is race-proven in some of the most demanding conditions by some of the world's top motocross athletesthese pants are ready to be your new partner in dirt. Specifications Rider Attack Position (RAP) construction for improved ergonomic fit on the bike. TruMotion zonal all-way stretch panels provide unmatched mobility. Precision knee paneling for a slim fit over braces or guards. Double-layer knee system with a full-grain leather outer and abrasion-resistant inner layers provides increased durability against knee braces, guards, and the bike. Minimalistic internal liner to reduce chafing. Reinforced 600D saddle panel to increase durability without sacrificing performance. Materials Materials: 92% polyester, 8% spandex. 31384-551-6 (28") 31384-551-8 (29") 31384-551-10 (30") 31384-551-12 (31")