Sup R Band® Exercise Resistance Band, Blue, 5 Inch x 50 Yard, Heavy Resistance, 1 Each Leg Bags Accessories The six ply polyester and rayon MSHQ 530914G The six ply polyester and rayon material improve their absorbency 5 * Provides moderate support for ankle injury prevention and treatment * Recommended to help prevent high ankle sprains abnormal inversion eversion and protection of ankles during impact sports * Anatomical contour for proper fit * Sturdy rigid uprights with circumferential strapping to help prevent and treat high ankle sprains and inversion eversion injuries * Bilateral hinges for natural unrestricted motion * Heat moldable and trimable foot plate to match shoe insoles or orthotics * Available in left or right version * Blue color means band has the heavy resistance level Use for stretching