CCM® Oxysox ‘The Oxygenating Sock’ provide graduated pressure that results in faster blood return to the heart and lungs, improving the return of oxygenated blood to the legs for enhanced athletic performance. The same compression also keeps muscles compact, lessening fatigue and aiding in recovery. CCM® Oxysox are made of a DuPont Coolmax cotton fabric for maximum moisture wicking and DuPont Lycra for extra support and injury prevention. The firm, graduated support creates performance advantages that only the CCM® Oxysox patented technology can provide.