Featuring SBM and climate comfort protection by Gore-Tex®, Altama partnered with Michelin®, the unrivalled expert in rubber and tread design, to equip our boots with highly advanced outsoles. The Apex SBM is built in multiple layers of Gore-Tex protection. The Gore-Tex Extended Comfort System fully lines the boot in highly breathable, ultra thin, complete waterproof protection, while the brand new material, Thermium, preserves heat in colder environments and releases heat and sweat in warmer environments.

• Fleshout perforated cowhide leather and textile upper for durability and breathability
• Integrated textile loop lacing system
• Gusseted tongue keeps dirt and debris out
• Padded collar for added comfort
• Triple bonded nylon thread used in every stitch for durability
• Gore-Tex® Pearl waterproof liner for superior protection
• Gore-Tex® Thermium insulation lining over toes to lock in warmth zones over toes in frigid conditions
• Soles by MICHELIN outsole for superior durability, traction and agility
• Airport friendly nylon shank Heel counter custom shaped with Back Part Molding to eliminate "break-in" discomfort
• Ergonomically molded thermoplastic toe box ensures ideal fit from the first wear
• AR670-1 compliant

28.2 oz. (799 g)