Designed for highly active prosthetic users and adaptive athletes High performance fabric to offer long term wear Forgiving and softer Relax Gel Engineered with an internal sleeve protector Latex free and hypoallergenic Works with Suction and Vacuum Systems Available in black color Made in USA Sold individually in polybag SIZE KNEE CENTER CIRCUMFERENCE (cm) Small 27 cm Small + 29 cm Medium 31 cm Medium + 34 cm Large 37 cm Large + 40 cm X-Large 43 cm The Encore Meridian Sleeve by Thermo-Ply was designed with the intense prosthetic user and adaptive athlete in mind. If you job or daily routine is physical, you should consider the Encore Meridian Sleeve. Thermo-ply engineered the Meridian with their Relax gel formula, to offer a softer more forgiving comfortable feel. To keep up with high activity users their engineering team added a high performance durable fabric onto the outside, as well as the built-in internal sleeve protector. The Encore Meridian Sleeve provides complete freedom of movement and at the same time secure suspension by sealing with the skin without compromising circulation. Installation is a breeze and cleaning is easy with Otto Bock Derma Clean. This below-the-knee prosthetic sleeve offers the perfect blend of high performance durability and comfort. Materials Thermo-Ply Relax Gel, Thermoplastic Gel (TPE).  Care Instructions Thermo-Ply strongly recommends that the Encore Meridian prosthetic sleeves be laundered after 8 - 16 hours of wear, and allowed to dry completely before applying to the prosthesis. Machine wash, No bleach or solvents, Delicate cycle, Air Dry Thoroughly. Directions for Use Meridian Knee sleeves should not be worn on injured skin. Keep your prosthetic sleeve out of reach of children for risk of suffocation. Patients with severe diabetes or blood circulation problems have to contact a physician before using a knee sleeve. Precautions Prosthetic Knee sleeves should not be worn on injured skin. Keep your sleeve out of reach of children for risk of suffocation. Patients with severe diabetes or blood circulation problems have to contact a physician before using a knee sleeve.