Provides compression to the sacroilliac joints of the pelvis
Main belt is elastic with reinforcement straps to provide additional compression
 
Size guide (measure low around the hips - at their widest point)
SMALL 86.5-92cm
MEDIUM 92-97cm
LARGE 97-102cm
X-LARGE 102-110cm
XX-LARGE 110cm + (According to producers size chart - if significantly larger we reccomend coming in for a fitting)