Dean Karnazes is a world-famous endurance runner, known for his amazing feats of physical & mental stamina. The SOLE Dean Karnazes Signature Series insole combines the Softec Regular with special features; silver anti-microbial fabric and a reduced weight moldable layer. These insoles are for medium to tightly fitting footwear and designed to provide shock absorption and arch support. The moldable base layer adjusts to your unique foot without losing its orthopedic shape. They can be molded by heat or just by wearing. The 1.6mm of Softec cushioning material ensures maximum shock absorption and comfort. Moisture-wicking top sheet is a perforated polyester weave with Anti-bacterial silver fibres that maximizes breathability and moisture-wicking while reducing odor. Adjustable arch support support and alignment personalized for your unique foot. Deep heel cup cradles the heel, aligning the foot during heel strike and through the stride. Recommended Footwear: Running & Walking Shoes, Basketball Shoes, Skate Shoes, Tennis Shoes, Ski & Snowboard Boots. Recommended Activities: General Sports & Everyday Use, High Impact Activities, Baseball, Skateboarding, Football. Weight: Men's Size 10: Approx. 160g (5.64oz), Women's Size 9: Approx. 143g (5.04oz). Dimensions: Men's 10: Width: 110mm (4.33"), Length: 276mm (10.86"); Women's 9: Width: 93mm (3.66"), Length: 249mm (9.80"). Three Component Construction: Base Layer: EVA Blend Optimized To Mold, Cushioning: Open Cell Polyurethane Blend, Top Sheet: Anti-Bacterial Moisture Wicking Perforated Polyester Weave. $1.00 from the sale of each pair of Dean Karnazes Signature Edition footbeds is donated directly to Dean's Karno Kids charity to encourage health and fitness for the youth of North America.