On's trekking boots are made with partially recycled materials and feature a waterproof membrane with a TPU toe cap to keep your feet dry. The Flex-Lock lacing system wraps around the foot and prevents the laces from getting tangled, while the logo is displayed on the tongue and side. The interior is lined with a removable insole, and the closed-channel midsole and Missiongrip™ rubber sole provide excellent traction. Size and Fit - Heel Height = 3,5 cm,