Get going in the Demi! These lightweight sneakers have arch support and Cobra Orthotic Technology to help relieve pressure while providing all-day comfort. The Demi is made out of a stretchy knit fabric that molds to your foot for the perfect fit each time.The Aetrex Orthotic System is Built-In to every pair:Our insole features arch support that helps to stabilize your body, align your feet and relieve common foot pain (ie.plantar fasciitis, heel pain & arch pain)Our insole features UltraSkyâ„¢ cushioning to provide pressure relief & comfortOur insole is lined with microfiber treated with antimicrobial technology to help fight every day odorsDetails:Adjustability: Stretchy gore strapUpper Material: Stretchy knitMidsole Material: Lightweight UltraSkyâ„¢ for comfortOutsole Material: EVA and rubber for durabilityRemovable Insole: YesHeel Height: .65″Padded heel for extra cushioning