Features: 

• Soft comfort weave lining
• Removable and washable to protect against mildew, bacteria and odor
• Contoured heel cup gives superior fit and support
• Built up arch provides maximum support and comfort 
• Two density polyurethane, one density under heel strike zone provides excellent shock absorption, second density under balance of foot provides all day cushioned comfort 
• Perforated air flow zones to help your foot breath

Small: men's 6-7.5 

women's 8-9.5

Medium: men's 8-9.5

women's 10-11.5

Large: men's 10-11.5

women's 12-13.5

XXL: men's 14-16