The Legendary Sk8-Hi with Heel Zippers for Easy In And Out. The Sk8-Hi was a game changer as the first high-top skate shoe to break onto the scene in 1978. But the innovation didn’t stop there. Combining this legendary silhouette with a zipper entry at the heel for increased versatility, the Toddler Sk8-Hi Zip Rocket blends bold design with easy access for an iconic style that’s out of this world.