Swiftwick Flite XT Trail Five Socks – 5 inch Heather X-Large. Designed to provide your feet with advanced stability and support so you can get the most out of your next trail adventure.Swiftwick FLITE XT TRAIL features AnkleLock Technology that supports your ankles during quick movements on uneven & varying terrains while GripDry Fiber in the heel and forefoot keeps your feet from sliding in your shoes.Swiftwick blended natural Merino wool with a full Olefin fiber footbed to move moisture away from your feet keeping them dry and blister-free even during the longest of treks.

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