OS1st Active Comfort Performance Sock - Quarter Size:Large Designed with an ENCAP and

Designed with an ENCAP and Rollbar midsole technology

Move from apprehensive to assertive with the GT-2000™ 13 shoe’s 3D GUIDANCE SYSTEM™ technology

Small zipper stash pocket for valuables

moderate training sessions and sprints to the finish

and engineered arch stability to provide superior performance

OS1st Active Comfort Performance Sock - Quarter Size:Large Designed with an ENCAP andMade for staying comfortable all day and any activity with plush bamboo charcoal cushion in the heel and toe and ultra thin Skin Thin cooling panels on the top. For the best fit, it is important to use the size chart before ordering. Extra cushion in the heel and toe Bamboo charcoal ionized fibers for durable softness Ultra thin top panel to regulate temperature and increase air flow Included in all Socks with Purpose Micro nylon treated with silver