A more thoughtful choice for everyday wear, the Gen-FF Roam Chelsea boots are powered by lightweight PureForm midsoles. Key Features: Biomechanically engineered with an innovative, algae-based material, our PureForm midsoles give you comfort you can rely on. Powering our Gen-FF Roam Chelsea boots, they offer balanced, lightweight cushioning for all-day comfort, smooth heel-to-toe movement and stable support. Ergonomically engineered to help optimise your body's alignment, natural movement & energy Lightweight PureForm midsoles offer balanced cushioning and stable support for smooth heel-to-toe movement Made using BLOOM an algae-based material innovation created from harvested algae biomass Natural arch support Grip suited to everyday use/road tread