Oomphies - Alcoa SneakerReady, set, go! The Alcoa is the ultimate sidekick for little adventurers. With easy hook & loop straps, kiddos can slip 'em on and head out in a flashno grown up help required! Designed with cool, on trend style and all day comfort in mind, the Alcoa keeps up from playground to playdate and everywhere in between. PU and microfiber upper Breathable mesh lining Hook & loop closure Removable molded footbed Oomphies injected outsole