The lightweight upper part combines microfiber inserts and PU protections. The razor back pivot system grants a strong lateral support, preventing ankle twisting and without compromising the flexibility. Closure System made of lightweight and replaceable buckles, Velcro on the top for a precise fit closure. By removing the first two buckles on the top is possible to make the opening wider to accommodate a bigger leg or knee-brace. On the inner side of the boots is the rubber grip guard for an exceptional grip of the bike and a heat protection. Dual composite rubber sole and memory cell PU inner foam liner complete the construction of this new Gaerne Boots!