Defined by proven support, determined traction and rugged durability, the time-tested FreestoneA(R) Boot powers through a full range of wading conditions. Waterproof, synthetic scratch leather upper with toe and heel reinforcement Partial neoprene lining for comfort and easy on/off Dual density EVA midsole for a comfortable ride underfoot 12mm felt outsole is fully compatible with Simms Hardbite Felt Studs