Korkers Ultra Ice Cleat Boasting a proprietary adjustable one size fits all technology, Ultra Ice Cleats™ provide the ultimate customized fit whether you use a trail shoe or boot. *Boot Not Included* DETAILS: Versatile: Proprietary adjustable fit system allows for a custom fit on a wide range of footwear from trail running shoes to outdoor boots. Traction: Equipped with 16 ice-biting steel studs placed under the toe, heel, and ball of your foot for traction where you need it most. Storage: Compact and easy to store in small places like pockets or a glove box. Sizes: One size fits most (Women’s 6 – Men’s 14) Weight: 4.5oz per pair.