20 degree flared heel increases surface contact, and controls lateral sway. Larger footprint and wider platform enhance stability and provide a firm, balanced foundation for the bowling swing. Includes 4 interchangable sliding soles for different slide (S2, S4, S6, and S8) Includes 4 Interchangeable heels for different braking control (H1, H2, H5, and H7) Firm, flat midsole for stability Duratip Goodyear Gold for maximum abrasion, durability and traction. Goodyear PowerPivot rubber Push-Off sole for added traction. Comes with a shoe carrier, a nylon shoe bag, and a nylon slide and heel bag.