Great starter shoe or great for a bowler looking to get out of those rental shoes and into their own! A custom fit and a vintage look drive the Turbo Boa to greatness. Let it help you reach the skill level youve been working to achieve. BOA Fit System: Disc Lacing Outsole: DexLite Pro Universal Upper: Titanic Synthetic with Microperfing Vents Heel: Speed Groove Raised Rubber Footbed: Molded Removable EVA