The design of our carbon fiber insole takes into consideration people with wide feet. Despite their weight resistance, these insoles remain lightweight and pleasing to touch. Compatible with a Variety of Footwear: our carbon fiber inserts are specifically made to be applied in diverse footwear options, from sneakers to walking shoes and running shoes; They are an ideal choice for those who engage in extended walking sessions, various sports activities, or simply looking to enhance their daily walking comfort; Note: they are not compatible with high heels or dress shoes.