Posture Reflex Belts are essential equipment in medical nerve therapy. It gently pulls back your shoulders to provide soothing relief for your neck and back. Wear for 20-30 minutes a day to train Your body for perfect posture. posture doctor easily adjusts to fit all body types. It’s lightweight and breathable, so you stay cool and dry all day. Best of all, posture doctor has copper infused fibers to help reduce odors. The product here is in a black color.