Ships in 1-2 business days | Based in Frederick, Maryland | Est. 2015 High-tech for your feet and toes XOTOES(TM) are engineered with US Patented PTFE and Copper yarns (a.k.a. RAPIDriCOPPER(TM)) and now with wool content for extra moisture management, temperature regulation, and anti-odor properties! These highly specialized yarns combat friction and hot spots, improve moisture management, help reduce bacteria, and improve toe and heel fit, stability, and splay. These specialized yarns surround the entire foot and encapsulate the toes and interdigital spaces for maximum comfort. Features: Anatomically shaped left and right foot designs to maximize comfort XOTOES(TM) have tiny interdigital micro holes that allow a form-fitting toe while maximizing toe stretch, splay, air flow, and comfort XO-ARCH(TM) provides arch support for foot stabilization with built-in ventilation channels for maximum breathability and stretch XO-HEEL(TM) conforms to the heel to prevent sliding XO-AirChannelDUCT(TM) for maximum airflow XO-SHIELD(TM) inner and outer air flow channels reduce sweat and maximize ventilation _______________________________________________ Specs Height: Quarter-Crew Weight: Lightweight Sizing: Sizing Foot Length 1 6" - 9" | 15 - 23cm 2 9.5" - 12" | 24 - 30cm 3 12.5" - 14" | 32 - 36cm Materials: 46% RAPIDriCOPPER(TM), 40% WOOL, 11% Nylon, 3% Elastane. Made in the U.S.A. _______________________________________________ Care: For longer product life, maximum protection, and comfort, wash and dry using liquid fabric softener after each use (to lubricate the fibers for longer life). For optimal benefits, liquid fabric softeners are always recommended. Do not bleach. Wash normal: 105F/40C. Dry normal medium temp. Do not dry clean. Do not iron.