Providing light support for the lower back the Zamst ZW 3 Back Brace has individualized adjustable compression Equipped with a pocket for optional hot or cold packs V Tech fabrication for cooling and ventilation and Grip Tech technology the Zamst Back Brace ensures proper fit and comfort Provides light supportGrip Tech ensures that the brace stays in placeCurved design allows for full range of motionVelcro closures for custom fitBuilt in ventilation for cool comfort