Design: Mesh and 3D-printed TPU upper Bellows tongue keeps out debris Traditional lace closure In-Shoe Comfort: Breathable mesh lining Molded nylon arch shank Kinetic Fit™ BASE removable contoured insole provides flexible support Merrell® Air Cushion in the heel absorbs shock and adds stability Lightweight EVA foam midsole with zones of softer foam may reduce pronation Durability & Traction: Vibram&reg TC5+ rubber sole for traction, even when it’s wet 3.5mm lug depth Additional Details: Vegan-friendly Weight: 1 lb 2 oz / 516 g