The 11 waterproof NiTread is built with new high tech features designed to keep your feet comfortable the entire work day. The NiTread features the new N2Gen technology in the insole which includes nitrogen encapsulated impact zones in the midsole that is shock absorbent while also redistributed energy to reduce foot fatigue throughout the day. This boot meets ASTM F2892 safety footwear standards. It also features a Removable OrthoLite Insert and an oil and slip resisting rubber outsole to for comfort and durability. | Justin NiTread 11" Composite Safety Toe Boots | Size 9.5