Alpinestars RT-8 Gore-Tex Boot Specifications 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. Integrated Transversal Protection Frame (TPF) protects the foot while delivering necessary support on the footrest without compromising the front foot flexion. Reinforced heel counter and toe box, with additional shift pad layer and reinforced shin area. Innovative instep fast lace adjuster controls instep volume of the boot. Boot opening managed by lateral zip mounted on elasticated panel, covered by a hook and loop gusseted flap. New sole unit for optimal protection and walking comfort. Innovative internal volume adjustment system. Optimized upper construction comfort associated with a GORE-TEX membrane. Fully CE certified motorcycling garment.