Alpinestars sight speedster pantthese sight speedster pants from alpinestars are made of durable yet lightweight 450d fabrics with strategically positioned stretch panels for total comfort flexibility and abrasion resistance they have been ergonomically designed to give you a performance fit whilst allowing for the integration of knee protectors freedom of movementthe ripstop rear seat panel ensures this area remains abrasion free while the pre curved leg construction along with stretch inse