Versatile traction on the go for work or play. Easily pivot cleats into ''storage position'' for outdoor-indoor transitions or when traction is not needed. Traction equipped with 16 nonsparking, durable, ice biting aluminum studs under the heel of your foot. Ease of use quick attach strap and hook closure system for easy on and off. Fit combination of a 3-D molded heel counter at the heel and articulating flex grooves at the base of the cleat provide a secure and comfortable fit across a variety of shoe and boot platforms. One size fits most (women's 6 - men's 14). Material: Aluminum.