The result of years of research and field testing, CARBON is for the dedicated athlete who demands high-performance results. Our revolutionary insole achieves a new level of lightweight performance by combining a carbonfibre-reinforcedstabilizer cap with a durable, ultralight foam layer.CARBON's distinct biomechanical shape and low-volume design can help improve the fit and feel of tight-fitting athletic footwear like cleats and lightweight shoes. Superfeet CARBON insoles are vegan and free of latex, nickel sulfate, formaldehyde and preservatives.FIT PROFILE- Low-profile insole with a versatile shape offers high-performance support.FITS BEST IN- A wide range of tight-fitting, low-volume athletic footwear with removable insoles.HOW IT WORKS- Superfeet insoles help adapt the flat midsole of the footwear to your foot. The distinct Superfeet shape helps to stabilize the foot, while the structured heel cup and full-length foam provide support and comfort for every step.Product SpecsHEEL CUP- The structured heel cup helps stabilize and support the foot and positions the heel to naturally absorb impact.BIOMECHANICAL SHAPE- The low-profile shape helps stabilize and support the foot, which can help reduce stress on feet, ankles and knees.FOAM PERFORATIONS- Perforations under the midfoot and forefoot reduce weight and improve breathability.WIDER FOREFOOT- Accommodates a wider range of footwear.ORGANIC, ODOR-CONTROL COATING- All natural coating that eliminatesodour-causingbacteria.CARBON FIBER STABILIZER CAP- Carbon fibre-reinforced cap provides structure and support for our low-volume insole.LOW-PROFILE DESIGN- The thinnest Superfeet insole.ULTRALIGHT HIGH-DENSITY FOAM- Lightweight, durable closed-cell foam delivers long-lasting comfort for tight-fitting athletic footwear.BEVELLED EDGE- The bevelled foam edge improves the fit in tighter fitting footwear.60 DAY COMFORT GUARANTEE- DEMON XTREME offer a no quibble 60-day money back guarantee - "Use this product for up to 60 days and if you don't like it we will refund the entire purchase price of the item - no quibbles at all"(offer excludes P&P; and only offered to the purchaser). If using for skates please skate with them for an hour or more before considering sending back.