Hi-Tec Lady V-Lite Altitude Ultra WPI Waterproof Walking Boots Mixed, , V-Lite - A concept which keeps weight to a minimum without sacrificing performance or durability. Ion-Mask - A molecularly bonding over the whole surface of the product making it extremely durable without affecting the look or feel. Vibram - Vibram is the world leader in high performance rubber soles combining quality, innovation and the best compounds for their specific use. CMEVA Midsole - A lightwieght cushioned midsole, providing support when on the hills.