Merrell Men's Agility Peak 4 Trail Shoe This cushioned, grippy trail runner is designed for those who want a lot of protection on even the most rugged trails. Version 4 was updated with a slightly thicker midsole made of the lighter-weight FloatPro™ foam and a new Vibram® Megagrip® outsole for even better grip on rock. Jacquard upper Integrated lacing system for a glove-like fit Padded collar Gaiter D-Ring Protective toe cap External rear strap locks in the heel Breathable mesh lining Removable EVA insole Rock plate for protection FLEXconnect® dual-directional flex-grooves in the midsole for enhanced ground connection FloatPro Foam™ midsole for a lightweight ride that lasts Vibram® MegaGrip® for the best combination of traction and durability on wet or dry surfaces