The curved design with 2 steel splints and 3 removable medical plastic splints
Mesh panels
Double pull mechanism
Size M fits waist of 23-30 inch, L fits 30-35 inch, XL fits 35-40 inch and XXL fits 40-45 inch. M fits waist of 58-76 cm, L fits 77-87 cm, XL fits 87-102 cm and XXL fits 102-113 cm.