Features Breathable mesh lining Comfortable footbed Zipper on the inside for easy entry Adjustable calf width with Velcro fastener Stretch insert on the calf Padded TPU shin plate with ventilation holes TPU heel cap with integrated ventilation holes for a secure fit TPU molded part on the outer ankle for abrasion protection Replaceable aluminum toe slider Plastic insert on the inner ankle Soft accordion stretch on the instep & over the heel for added comfort TPU reinforced shifter for optimal grip Abrasion-resistant rubber sole Certified according to EN13634:2017