Our slip-on recovery shoe is designed not only to restore your feet after a run or workout, but to deliver a super comfortable fit you can slip into for all your daily activities. Perfect to wear without socks, these men&';s athletic recovery slippers feature a cozy recycled polyester fleece upper and our 3D Wave Sense Insole to offer gentle massaging comfort along the bottom of the foot. We added a VibramA(R) XS Trek EVO outsole for optimal multi-surface traction and durability so the Topo Athletic Revive is ready to take on whatever the day brings you. Best For:Recovery Stack Height:23 mm (heel) x 20 mm (forefoot) Heel to Toe Drop:3 mm Weight:7.8 OZ (M9)