Designed with the Hawaiian Lifeguard Association, the Kia'i Trainer is engineered to handle the guards' rigorous fitness training demands from Mauka to Makai. UPPER Quick-drying breathable air mesh and abrasion-resistant closed mesh, anti-microbial Dri-Lex lining, easy-off lace toggle, and suede and sheet rubber toecap and heelstay for durability. FOOTBED Anatomical dual density Eco-Cell footbed for excellent rebound and 100% recyclability. Removable and washable. OUTSOLE Non-marking gum rubber outsole with aggressive tread for added grip, and rigid ESS shank plate to protect foot from coral, lava rock, and other unforeseen obstacles. FEATURES Dual density medial post for prevention of over pronation, rockered outsole for stability on uneven surfaces, and emboidered HLA and island chain detail.