Heelys Launch Youth's Roller Shoes Heelys has the one thing no other shoe has - a removable wheel in the heel! Pop in the wheels and your Heelys transform into a pair of stealth skates and open up a world of fun. Upper: Nubuck Vulcanized construction Padded tongue and collarMidsole: Padded insoleOutsole: Removable, low-profile Fats wheel Durable rubber Heelys 'Ninja Grip Tread' ABEC-1 performance bearings