Motorcycles Boots Upper: 1.8 To 2.0 mm thickness / 100% Waterproof / Breathable / Cut and Puncture Resistance / Screws Leather Insole: Maximum Stability and Support Powered by Insole Sole: Vibram Rubber Nitrile P (unsigned) / Oil and Acid Resistant against Heel Reinforcement: High Quality, Long Lasting / Suitable for Motorcycle Heel Nose: High Quality, Long Lasting / Fluffy sponge suitable for motorcycles Number: 36-47