Features: covered thick foam pad provides better support to fractured effected sternum in comfortable position. velcro closure for easy application and removal. durable, skin friendly elastic provides adequate, all round equal compression. helps in reduction of pain in case of post operative treatment. Sizing details : measure circumference of chest. Size inches cms small 28 – 32 70 – 80 medium 32 – 36 80 – 90 large 36 – 40 90 – 100 x-large 40 – 44 100 – 110 xx-large 44 – 48 110 –