Thorlos Experia Xccu Thin Cushion Running Low Cut Socks Thorlos Experia XCCU running socks has been the choice for runners since 2009. Loved for the exceptional fit and signature cushioning in the heel and forefoot wrapped in the legendary quality that is Thorlos. Named a “Best of Both Worlds” by Runners World, Experia delivers cushion only where you need it and ultra thin fibers for the best fit. Constructed of Thorlo’s exclusive Thor-WICK Cool fibers, Experia wicks the moisture away to keep your feet dry and practically eliminate blister formation. Product Information 79% Polyester, 20% Nylon, 1% Elastic Made in the USA No Closure closure Turn Inside Out-Machine Wash-Liquid Fabric Softner is Recommended The gold standard in light padded running socks for over a decade Experia delivers Thorlo quality, protection, and comfort in a light and thin padded sock Nylon covered LYCRA provides contoured aerodynamic glove like fit Ventilation panels for extra moisture control and breathability Thor-Wick COOL fibers in the ball and heel areas provide enhanced moisture management Lightweight achilles tendon pad protects against rubbing and chaffing Note: Experia sizing is unique. Please reference size chart for proper size No-Rub toe seam will not irritate your feet