Beyond a first glance at its bold colorways, Petite Fritures’s indoor-outdoor metal stool is a study in utility. Fromme draws on the ergonomics of racing bicycles for its ultra-light comfortable seat and its streamlined construction means it can be stacked 6-high. Toronto designer Tom Chung chooses aluminum, an easily recyclable material, for the seating, which has a UV-resistant powder coat with a 5-year guarantee.