Description The AC4® Active Comfort Sock uses two of OS1st’s signature technologies for the ultimate comfort experience. The AC4® is built with nano-bamboo charcoal cushion where it counts and OS1st’s cooling Skin Thin™ Technology for temperature regulation. Made for everything from exercise to everyday, this sock features blister protection, contoured padding, and light-to-moderate compression for support and fit. For the best fit, it is important to use the size chart before ordering. Performance Features Made with ultra-soft nylon treated with silver-ion technology for anti-bacterial odor and moisture wicking ability Cushioned with Nano Bamboo Charcoal ionized fibers for durable softness Skin Thin ™ Technology to increase air flow and temperature regulation Seamless construction Left/right design for anatomical fit Y-Gore heel Hand wash and hang dry only Compression sock care instructions Comes with one (1) pair of socks per package. Before ordering, use this size chart for an accurate fit.
