Vivobarefoot Men's Trail Freak 3M Mesh Shoe - With Free 25 oz Water Bottle Upper description - V Web Lightweight upper lamination for stitchless lateral support Collar/panel/lining - Dri-Lex Performance lining with thick mesh collar: Lightweight, performance lining for moisture wicking and superior comfort and thick mesh collar Sole thickness - 2.5mm sole with 4.5mm lugs 100% Vegan