The Alpinestars Racing Rain Over Trousers is packed with features... Specifications include: Waterproof pants for track use in wet conditions, designed to be worn over the top of a leather suit. Constructed from 2mm 100% waterproof transparent material PU coated ergonomic stretch inserts on crotch and legs Pre-curved design for optimal fit in the racing position Hole cutouts for knee sliders Taped and sealed seams Reflective details on pants for improved rider visibility Waterproof zipper closure