These skates are Way of life skates, meaning they’re created for recreational use (not a selected Activity). In addition they boast a classic style and design that’s great for beginners or intermediate skaters. In 1863, James Plimpton from Massachusetts invented the "rocking" skate and used a 4-wheel configuration for steadiness, https://tedomarket.com/product/men/skate-street/skate-inline-slalom-skate-adults-roller-skating-shoes-inline-skates-professional-patines-for-street/