Flow Cool Systemâ"¢ enhances breathability and moisture management from heel-to-toe to keep feet cool and dry. Foam-padded collar and tongue for great fit and added comfort. A unique GuideGlideâ"¢ midsole construction centers the foot from heel-to-toe ensuring a more comfortable and stable ride. Special formula K-EVA to provide maximized cushioning and enhanced durability of the midsole. Textile lining with an OrthoLiteÂ® insole combines moisture-management with anti-microbial properties that keep feet cool and minimize the effects of perspiration. DURAWRAP provides an extra line of defense against excessive toe-dragging. Heel Grip Liningâ"¢ made of interlocking fibers that grip the sock to minimize heel slippage. DragGuardâ"¢ located in the high wear areas of the toe and heel for increased abrasion-resistance. High-density AÃ¶sta 7.0 Rubber Compund outsole provides unsurpassed durability and heel-to-toe grip. Imported.