Features Hinge at the ankle area Upper leather Rubber inserts on the inside of the calf to increase resistance to abrasion Internal in hypoallergenic fabric, breathable & antibacterial Extra padding to protect the ankle TPU soft gaiter at the top with Velcro closure Double stitching sole Vibram® New aluminum buckles with memory & a quick release/locking system Reinforced steel toe Certified EN 13634:2010 level 2