The Shimano Ultrade Ge rubber compound optimised for enduro use and the special profile ensure reliable pedalling and walking characteristics. Boa fit system with L6 twist lock and plastic protection against unintentional release in the event of collisions with rocks and other trail obstacles. Torbal 2.0 torsion midsole with flexibility on the outsides for excellent control on steep descents and corners Stiff, carbon-reinforced midsole for efficient pedalling on connecting stages and climbsRevised pedal channel running from the heel to the toe area for excellent spd stability when unclipped, ankle protection made of elastic neoprene for additional protection against gravel and dirt.