Description: keep your back and shoulders straight while working, improve back pain, maintain correct shape and posture upper back support brace adjustable elastic straps, help straighten shoulders breathable, sweat-wicking material good smell cotton spandex fabric stretches well, creates the necessary pressure, elastic straps adjust the pressure and provide comfort. -upper back support brace -adjustable elastic straps, help straighten shoulders -breathable material, good sweat absorption -cotton spandex fabric stretches well, creates the necessary pressure, elastic straps adjust the pressure and provide comfort. -compact design, can be worn under clothes feature: type: posture corrector color: black material: cotton spandex fabric size: universal (70-100cm), xxl (110-130cm) gender: unisex body part: back package include: 1 x posture corrector