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X Ultimate Ankle


Med - Women: (7-10) Men: (5-8)


X Ultimate with CELLIANT® 

Designed for those who want the benefits of CELLIANT® technology for increased oxygen, muscle recovery, comfort and pain relief with a minamilistic feel.  Ao2 X-ultimate is our lightest Celliant sock yet.  Perfect for athletes and anyone looking for ultimate performance.  Structurally designed to conform to your foot with a superior arch support to help reduce fatigue and prevent foot related injuries.  The mesh-ventilated upper helps enhance breathability.  The "Y" heel stitch creates a secure fitting heel pocket, reducing slippage. Seamless toe for zero toe friction. 



Made in the USA

Care Instructions:  Machine wash warm water; No bleach; Tumble dry low heat

Fiber Content by Weight:  65% CELLIANT® Polyester, 34% Nylon, 1% Spandex

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Country or OriginMade in the USA