The Magnum Ultima line is one of the lightest builds Magnum makes. High abrasion resistance fabric with welded PU keeps the weight down, and every version rides on a Magnum exclusive lightweight rubber outsole with an EVA midsole. Pick the cut you want, then choose waterproof or non-waterproof. Choose your cut Low: shoe height, street to service. Mid: added ankle coverage in the same lightweight build. High Side-Zip: full boot height with a YKK side zipper for fast on and off. Shared across the line High abrasion resistance fabric with welded PU for durability Moisture wicking mesh lining Gusseted tongue keeps out dirt and debris Removable high rebound PU insole Magnum exclusive lightweight rubber outsole with EVA midsole Waterproof versions add a waterproof and breathable bootie membrane Fit and sizing: sizes shown are US men&';s. Not every size is stocked in every option, so anything greyed out in the picker is currently unavailable.Since 1982 Magnum has been a trusted footwear brand for law enforcement, military and security professionals in the US.