Made from 92% Polyester and 8% Spandex. Lightweight materials maximize mobility and movement for an unmatched riding experience. Reinforced 600D saddle panel to increase durability without sacrificing performance. RAP (Rider Attack Position) construction for a better ergonomic fit on the bike. TruMotion zonal stretch panels provide unmatched mobility. Precision knee panels for a slim fit over braces or protectors. Dual-layer knee system with full-grain leather exterior and abrasion-resistant interior provides increased performance. Durability Minimalist interior lining to reduce chafing