Dual density Fresh Foam X midsole foam with approximately 3% bio-based content delivers our most cushioned Fresh Foam experience for incredible comfort. The Bio-based content in these men's trail running shoes is made from renewable resources to help reduce our carbon footprint, making these a great choice of outdoor adventures Toe Protect technology helps protect feet from rocks, roots and debris, ensuring durability in men's trail shoes designed for rugged terrain Vibram outsole provides superior grip, enhancing stability in outdoor shoes for men. Vibram is a registered trademark of VIBRAM S.p.A All rights reserved. Traction Lug technology provides superior grip in wet and dry terrain, improving perfomance and versatility Gusseted tongue offers a secure fit and helps keep debris out