Power up mountains in these technical hiking shoes with the agility of a trail runner and the stability, grip and weatherproofing for more rugged terrain. Uppers: Polyester Lining: Polyester Sole: Rubber Heel Height: 20mm Fastening: Slip On Fitting: Standard. Non-marking rubber soles. Antimicrobial treatment to prevent odour. 100% Polyester Strobel.