OLUKAI Kia'i Trainer - Men's UPPER Quick-drying breathable air mesh and abrasion-resistant closed mesh, moisture-wicking Dri-Lex lining with Aegis Microbe Shield, easy-off lace toggle, and suede and sheet rubber toecap and heelstay for durability. FOOTBED ActivFit contoured footbed. Hydrophobic, 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 overpronation, rocker outsole for stability on uneven surfaces, and embroidered HLA island chain detail.