Air vents to heel and shin Breathable textile lining Wide entry for convenience Innovative flex zones at calf, instep and heel Streamlined sole design for greater control, fit and comfort Arch support Internal toe and heel protection High modulus shin guard with high level impact and abrasion resistance TPU ankle brace, shin guard and calf protector Integrated TPU toe slider TPU shiftpad with technical texture Alpinestars new and exclusive compound rubber sole Unique dual branding