Quality, suede leather driving shoes available in Black, Red, or Blue from Simpson racing, a name you can trust when it comes to your safety. Sizes 5-13. Also in half sizes. SFI 3.3/5 certified and includes SFI Tag. Single eedfit closure. Low cut Achilles support for maximum flexibility. Fleece Nomex lining. Satin Suede toe, heel and lace guard reinforcements. Triple layer anterior toe area for added wear protection. Non-slip, super sensitive PU sole with posi-grip traction. Colors: Black, Red, Blue. NOTE: Race shoes and pit shoes come in Men's sizes. For women, subtract 2 from your shoe size and order that in Men's. Example: Women's size 7, order Men's size 5.The letters & numbers at the end of the part number indicate color and size. Example: 63028-BLK-105 = BLACK, SIZE 10.5 or 10-1/2Learn more about SFI and TPP Ratings by reading our tech article. What are SFI and TPP Ratings?