50% Fabric, 50% Synthetic Sole Material Rubber Closure Type Lace-Up All terrain outsole Innovative REVlite midsole provides premium responsiveness and durability at a 30% lighter weight than other foams with comparable performance Synthetic/mesh upper AT Tread outsole provides versatile traction during both on and off-road activities Go where your run takes you in the Nitrelv3. These modern retro men's trail running shoes easily work on or off road thanks to AT tread. Revlite cushioning and a molded saddle also contribute to the ready-for-anything fit and feel. Pre loved condition but wear is very minimal. Very clean, see pictures for care and details