Material:UPPER: 50% Polyamide (PA), 50% Polyester (PL)LINING: 100% Polyester (PL)SOLE: 100% Gum Rubber (GO)Product Details:The Herno Laminar Assoluto Spin Ultra is a trail running model made in collaboration with Scarpa®. It features a breathable and waterproof Gore-Tex upper, which fits perfectly due to the Sock-Fit LW construction system by Scarpa®. The sole is created with Vibram Litebase technology, providing sensitivity and protection on stony ground. The Vibram Megagrip compound guarantees high grip and traction on any terrain.