The etnies crank collection embodies everything on two wheels. The Camber Crank is designed around a grippy 3X more durable Michelin tread and features a toe and heel lugged tread pattern. If you want more grip on your pedals and a stiff durable sole, the Camber Crank is the answer for you to own the hill.TPU molded Pedal Shank 2 in the midsole,STI Evolution Foam midsole,Grippy Michelin tread pattern designed for flat pedals,Toe and heel luggy tread,Stiff board last,Abrasion resistant PU Nubuck upper,Rubber print on heel pattern,Pocket on top on tongue for lace tuck,Tongue gussets,Action Nubuck/ Synthetic.