Harley: Sacroiliac Support Belt HL4249. Additional stabilisation of the sacrum. Added pelvic support re-establishes the joints natural movement. Additional side pulls. Touch close fastening. 7.5cm width depth at the front and back. Size: Hip sizes (measure 7 below waist): (30-34)76-86cm Small, (35-40)89-102cm Medium, (41-46)104-117cm Large, (47-52)120-130cm X Large.