Salomon S-LAB Sense 3 Ultra Trail Running Shoe - Men's Polyester / Mesh Sensifit system works to cradle the foot providing a precise and secure fit. EndoFit internal fit sleeve designed to hug the foot in exactly the right places and improve feedback and footwrapping Protective TPU toe cap provides strong foothold support and side protection Non-marking Contragrip Delivering optimal traction on varied surfaces, Salomon's Contagrip outsoles use the ideal combination of specialized rubbers for each specific use Quicklace minimalist and strong lace for one-pull tightening. Easy-on, easy-off