Breathable mesh textile lining. Comfort footbed. Zipper on the inside for easy linen access. Width adjustment at the calf with Velcro fastener. Padded TPU shin pad with integrated ventilation opening. TPU heel cap with integrated ventilation opening. TPU molding on outer ankle for better abrasion protection. Replaceable aluminum toe sander. Plastic inserts at inner ankle for better abrasion protection. Soft accordion stretch over instep and heel for optimal comfort. Gear shift lever reinforcement made of rubber for best grip. Abrasion-resistant rubber sole. Safety: meets the EN13634:2015 test standard.