The sentrie techlacetrade offers elite level performance with the comfort of laces and the convenience of a strap which means a more supple feel across the forefoot the boa l6 dial offers 1mm adjustment increments when tightening and easy pull to release function for quick in and out of the shoe an eastonreg ec70 carbon composite outsole offers class leading stiffness which means you get the most out of each pedal stroke if youre serious about road cycling and want a shoe with great perf