Medium / Soft flex pattern. Dual lace zones for pinpoint adjustment all over your foot. Integrated TPU ankle strap - superior hold, pulls your foot into the "heel pocket". Ultralight liner - ultimate comfort and light weight combined. 2.5 degree canted chassis - eases stress on your legs. Power arch - supports your arch on bigger landings. Sizes graded to fit your foot like a shoe. Traditional thick laces provide the most secure fit and durability. Your boots won't loosen up while riding.