Featuring performance innovations derived from Alpinestars' rich history of competing at the very highest levels of motorsports, the Faster-4 Drystar® Shoe utilizes a seamless microfiber construction upper to create an even more protective and comfortable riding shoe. The Faster-4s are extremely lightweight, breathable, and durable, and incorporate Alpinestars Drystar® technology, a multi-layer membrane engineered for moisture permeability, breathability, and durability that offers riders 100% waterproof performance. With their reinforced sole that provides better stability and improved comfort, the Faster-4 Shoes are the perfect sports riding shoes.