Features: - Coreframe Sensifit insert Tool free tooth adjustmentSpecifications:- Size Run: 22/22.5 -> 27/27.5- Flex: 90- Last: 100- Weight (g): 1570- Shell: Polyurethane + fiberglass coreframe + sensifit insert- Cuff: Polyurethane- Liner: My Thermic Fit- Strap: 360° 35mm- Buckles: 4 riveted aluminium 3DTool free tooth adjustment