The Exos FORM™ II 631 provides a higher degree of spinal support and relief from a wide range of indications from acute lower back pain to postoperative support. The Exos FORM™ II 631 provides superior sagittal control and support from T9-S1. Features V-STX™ Material A thermoformable material used with the posterior, anterior and lordotic inserts, allows for true customization. ComfortCORE™ Foam Conforms to the unique contours of a patient’s body, adjusts instantly to individual movements. Diamond2 Grid™ Uniquely designed construct, delivers patients’ a more durable, longer-wearing brace. Boa® Technology Adjustable Belt Wings Modifiable belt accommodates varying patient body structures. Modular Design Step-up / Step-down design allows for single brace use through rehabilitation and recovery. Semi-Universal Sizing Removable circumference tape allows for accurate patient sizing. Sizing OPTION WAIST CIRCUMFERENCE HEIGHT (RECOMMENDED) SIZE Bracing and Supports 28 - 50 in (71 - 127 cm) ≤ 69 in (≤ 175 cm) S/M Bracing and Supports 51 - 61 in (130 - 155cm) ≥ 69 in (≥ 175 cm) L/XL Recovery Sciences 28 - 50 in (71 - 127 cm) ≤ 69 in (≤ 175 cm) S/M Recovery Sciences 51 - 61 in (130 - 155cm) ≥ 69 in (≥ 175 cm) L/XL