The RT-8 has a full Gore-Tex membrane for 100% guaranteed waterproof performance and breathability., Technical modern upper constructed with an advanced blend of microfiber and synthetic high resistance textile laminated by a seamless PU for enhanced breathability, Alpinestars integrated Transversal Protection Frame (TPF) protects the foot while delivering the necessary support on the footrest without compromising the front foot flexion for superior walking comfort, Reinforced heel counter and toe box, with an additional shift pad extra layer and a reinforced shin area to protect against impacts, Innovative instep fast lace adjuster controls the instep volume of the boot for a precise fitment and retention, The boot opening is managed by lateral zip mounted on elasticated panel, covered by a hook and loop gusseted flap, to protect the zipper and maintain the boot*s flexion, New sole unit for optimal protection and walking comfort, Innovative internal volume adjustment system, Optimized upper construction comfort associated with a Gore-Tex membrane