Superfeet® Active Support High Arch insoles add stability and comfort to your shoes, reducing stress on feet, ankles, knees, and back. Improves efficiency, reduces fatigue, and supports every step. Responsive EVOLyte® carbon fiber cap and two layers of Aerospring Rebound foam combine to deliver exceptional comfort and smooth and efficient energy transfer through your gait from foot strike to toe off. Made to replace the removable liner in roomy to moderate-fitting shoes. HIGH ARCH SUPERFEET SHAPE - High arch orthotic support helps stabilise the foot as you move, reducing stress on feet, ankles, knees, and back. Features: DEEP HEEL CUP - Positions and cradles the heel to optimise natural shock absorption and minimise fatigue. DURABLE CONSTRUCTION - Superfeet insoles keep their shape, delivering reliable support and comfort for up to 12 months. MOISTUREWICK™ - Top cover helps reduce odours, made from 100% recycled materials. H.I.T. (HEEL IMPACT TECHNOLOGY) POD - Proprietary carbon fibre and polymer blend responds to compression, springing back to its original shape for responsive, weight-defying support. EVOLYTE® CARBON FIBRE STABILISER CAP - Proprietary carbon fibre and polymer blend responds to compression, springing back to its original shape for responsive, weight-defying support. AEROSPRING™ REBOUND DUAL COMFORT FOAM - Two layers of heel-to-toe cushioning delivers ultimate comfort in every step. Superfeet Size Size UK Euro B XS 2–3.5 34–36 C S 4–5.5 37–38.5 D M 6–7.5 39–41 E L 8–9.5 42–44 F XL 10–11.5 45–46.5 G XXL 12–13.5 47–49 H XXXL 14–15.5 50–52