Knee High Training Sock ccl1 colour glacier wolf Non marking natural rubber outsole mens winter boots Non marking natural rubber outsole You have yourself the perfect winter boot Protection zone for the Achilles tendon Features∙ Set pressure profile – consistent therapeutic gradient (Ccl 1 = 20 30 mmHg) for improved circulation∙ Lycra® sports material – gentle on the skin and breathable∙ Taping zone – more stability for the ankle thanks to a patented design∙ Precision fit – anatomically correct for left and right leg∙ Muscle tuning zone – for reduced muscle vibrations and thus less fatigue∙ Protective zone – for less pressure and rubbing on the Achilles tendon∙ Shock absorbing cushioning – for greater comfort and protection