Alpinestars Men's Valparaiso 2 Drystar Pants (Black/Anthracite, Medium) Multi-material main shell poly-fabric construction for durability with rip stop and ballistic nylon abrasion and tear-resistant reinforcement panels in critical impact areas Removable waterproof and breathable DRYSTAR membrane for long term weather-proofing Removable thermal liner allows pant to be worn in various weather climates Removable CE-certified protection on knees is light, breathable and ergonomic for class-leading impact protection Increased reflective detailing and logos for increased rider visibility