Features Shin & ankle from sturdy plastic heel reinforcement switching gain interchangeable grinders Shaft length adjustment with Velcro & stretch insert Zipper with Velcro cover Comfort cushion at heel & instep Ventilation inserts on calf robust & easy-care Lorica Gaerne Dry-tech climate membrane waterproof & windproof breathable petrol & oil resistant sole with steel insert stem high Approx. 28 cm