-Comfy and cool, these special trainers have one thing no other pair has - removeable wheels in the heel! Put in the wheels and they transform into a pair of skates.-What\'s more Heelys own Wave Comfort Heel Bracket provides stability and comfort, whether you\'re walking or skating.-The loose lined canvas upper with rubber toe cap provides even more protection while the gum rubber Ninja Star outsole looks great.-The 2 x 2 double wheels alsocome with ABEC 1 bearings for total control when you\'re pulling off tricks. Get ready to impress in your brand-new Heelys.