All the Powerslide SWELL skates include our new patented 3-point mounting system specially designed to take 3-wheel skates to the next level of performance. This skate features our anatomically shaped shell with flex cuts in the ankle area and RECALL fit with memory foam to provide superior comfort and maximum support. category: fitness model: Swell 125 Trinity - Dark Lava boot: Vi, Nylon + Fiberglass, Trinity mounting Recall fit welding upper Nylon mesh and leather