Incredibly lightweight & ideal for flat feet & low arches these low profile super thin Superfeet Carbon Insoles have been made from lightweight carbon fibre combined with an ultralight foam to create one of the most innovative high performance Superfeet insoles ever The low volume of these Carbon Superfeet make them ideal for wearing in tight fitting low volume athletic footwear with removable insoles & will help to stabilise & support your feet which can help reduce stress on your feet ankles & knees & provide you with enhanced fit comfort & performance Superfeet insoles have a durable construction with a structured heel cup which helps stabilise & support the foot & positions the heel to naturally absorb impact & this insole has a carbon fibre stabiliser cap which supports the rearfoot & provides structure & stability The foam layer of these Superfeet is made from lightweight high density closed cell foam to cushion your feet for all day comfort But what makes the Carbon insoles different from other Superfeet insoles is that they have a wider forefoot bevelled edge & perforations all to improve fit & comfort while being the thinnest Superfeet insole