DescriptionUNIQUE PADDING SPECIFICALLY DESIGNED FOR FITNESS BENEFITS OF THIS EXPERIA LOW CUTLightweight Achilles Tendon pad protects against rubbing and chafing while functioning as a heel lock. THOR•WICK®COOL fiber in the ball and heel pads provides enhanced moisture management. Specially sculpted THORLO® pads in the ball and heel provide protection from shear and impact where needed. All but most of the essential padding, significantly reducing the weight of the sock. Ultra lightweight sock frame. Nylon covered LYCRA® provides contoured aerodynamic glove-like fit. Mesh Polyester for maximum breathability.PRODUCT DETAILSLength: Low Cut Cushion: Lite Cushion Fiber Contents: 66% THOR•WICK® COOL , 20% Nylon , 1% Elastic , 13% PolyesterCare instructions:For longer product life, maximum protection and comfort, wash and dry inside out(to fluff up the pads) 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.Do Not Dry Clean.Do Not Iron.Proudly made in the USA