Keen M Olympus Medium Crew Socks Color:Gray can be replaced with standard

can be replaced with standard battery pack for use in remote areas

Vinyl coated handle

and packs easily

and a few interesting twists to differentiate the Sparky from your average knife

creating an ember instead of a flame

Keen M Olympus Medium Crew Socks Color:Gray can be replaced with standardTested strong, the Olympus is the most durable sock on the trail. Heel and toe Dura Zone features high tenacity nylon fibers for comfort, durability, and for strong abrasion resistance. Heel Hold cup construction holds the heel for secure, natural fit. Features the KEEN Wunderseam seamless toe in flex zone and a ventilated mesh panel for added breathability Weight: Mid weight Material: Merino Wool 59%, Nylon 31%, Dyneema Polyethylene 6%, Lycra Spandex