Daytona outer boots for SECURITY EVO III: Outer shoe: made of particularly tear proof kangaroo leather velcro fastener for different calf sizes two plastic sliders at places subject to particular wear highly elastic areas at instep and heel abrasion resistant PU foam padding for long durability special racing sole with extremely rounded heel plastic sole abrasion resistance (screwed on). Torsion-resistant aramid hard shell, particularly shock-absorbing and adaptable padding under the shell, 4-layer shin guard, removable.