GoLite Men's Comp Trail Running 100% Thermoplasic polyurethane Rubber sole NeoForm seamless waterproof/breathable upper, and welded TPU material to form support cage Interlock Lacing System creates a forefoot support system that wraps around the foot, located on the inside of the upper Precise Fit system is anti microbial removable insole can be adjusted to accommodate high, medium or low volume feet New "Speed Outsole" provides a perfect "road to trail" outsole, combining trail claws and pliable Paw Pads for traction, durability and support Our "Glove Fit" last is inspired by secure feeling road running shoes, delivering the performance, feel and support runners need