Salomon Wings Pro Trail Running Shoes - AW15 Sensifit - A seamless layer that guarantees a secure and precise fit whilst providing a seamless feel. Quicklace - Minimalistic and strong lace for one-pull tightening. Easy-on, easy-off. Friction-Free Lace Eyelet - For quick and easy one-pull lacing. Endofit - An internal fit sleeve designed to hug the foot in exactly the right places. Tongue Cover - Tongue protection from mud and debris getting inside the shoe.