Increases difficulty of conventional movements and stretches to tone and build your muscles Extends your range of motion without causing additional stress to your joints Provides assistance and resistance to help improve performance Tension: Heavy (up to 125 lbs.) Dimensions: 40.5 ...Increases difficulty of conventional movements and stretches to tone and build your muscles Extends your range of motion without causing additional stress to your joints Provides assistance and resistance to help improve performance Tension: Heavy (up to 125 lbs.) Dimensions: 40.5’’ L x 1.65’’ W Add resistance to a wide variety of upper and lower body exercises with the ETHOS Heavy Super Band, designed with a durable, compact construction that provides maximum toning results with minimal equipment.