Gotta Go Fast and Stay Cozy : Sonic Dual-Size Slippers for Little Hedgehogs. Let your little speedster zoom around the house in ultimate comfort with these Sonic the Hedgehog dual-size slippers. Perfect for growing toddlers and energetic kids, the slip-on design makes getting ready a breeze, while the cozy nylex fabric envelops their feet in plush warmth. Adventure awaits with every step, thanks to the padded soles that provide just the right amount of cushioning for tiny explorers. And the best part These slippers feature the iconic blue blur himself, instantly transporting them into the exciting world of Sonic.