The Jethro shoes are made of high-quality leather for the best comfort and durability. Reinforced part of the gear lever and extra ankle protection and poly-foam filling for a comfortable comfort. The shoes also have an exclusive Alpinestars sole made of vulcanized rubber, rubber that is extra durable and does not melt in contact with the engine. The shoes also have innovative shoelaces that do not fly around or get caught in the front sprocket! The shoes are CE approved.