Description Characteristics Semi-rigid lumbosacral back support. Double tensioner The PRIMSPINE WORK combines lycra and leatherette fabric. Its abdominal compression front closure, together with 4 backstays and a compact double tensioner to regulate compression in the area, provide level 2 support. The dual-control system lets you adjust the lumbar support in line with your work-related needs. Effects Contention and lumbar support. Indications Lower back pain, lumbar containment.