Korkers TrailTrac Rubber Sole 96351-OA2015 Lightweight, high-friction rubber lugs provide outstanding grip for all off-road adventures. Sole Sizing Information: Outdoor soles come in whole and half sizes for both Men and Women and must match the size of your Korkers winter boots to function properly (e.g. Men's Size 10 Boot = Men's Size 10 Sole). Half sizes, select the appropriately-marked sole (e.g. Men's 10.5 boot = Men's 10.5-11 sole). Boot sizing can be found on the inside tongue label or on the original Korkers boot box or sole box. MEN'S SIZE 5.5-6.0 / WOMEN'S SIZE 7.0-7.5 MEN'S SIZE 6.5-7.0 / WOMEN'S SIZE 8.0-8.5 MEN'S SIZE 7.5-8.0 / WOMEN'S SIZE 9.0-9.5 MEN'S SIZE 8.5-9.0 / WOMEN'S SIZE 10.0-10.5 MEN'S SIZE 9.5-10.0 / WOMEN'S SIZE 11.0-11.5 California Residents WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Korkers TrailTrac Rubber Sole