Rieker Women's 72643 14 Blue Mens Add in Drew's WalkRight Technology Winter Add in Drew's WalkRight Technology Insole and you've got one of the most comfortable and stylish womens therapeutic shoes in the industry low bulk insulation keeps you comfortable• Fleece collar• Kinetic Fit™ BASE removable contoured insole for flexible support• Merrell Air Cushion in the heel absorbs shock and adds stability• Molded nylon arch shank• Lightweight EVA foam midsole for stability and comfort• Merrell sticky rubber outsole tuned for winter optimizes traction over cold weather surface conditions• Lug Depth: 4 The stitchdown construction makes the shoe robust and the sole particularly flexible without causing damage at the transition to the upper The light and shock absorbing sole ensures a pleasant walking sensation even when worn for a long time