The pad helps provide relief from back and neck discomfort, as well as sore and aching muscles, promoting overall relaxation and tension relief. The even distribution of comfortable heat supports these benefits.High Quality Made with slightly stretchable neoprene and nylon fabric that offers support while allowing air circulation. Features adjustable self-sticking closures for a secure fit. Designed to be breathable, absorbent, skin-friendly, and flexible for extended wear.Enhanced Warmth This thermal shoulder support includes four heating pads on the shoulders (two per side) and one wider heating pad on the back to deliver consistent warmth where it's needed most.Pain Relief Commonly used by individuals experiencing discomfort from conditions such as frozen shoulder, sprains, strains, rotator cuff issues, bursitis, shoulder muscle soreness, tendonitis, stiff joints, and related concerns.Additional Benefits Helps improve microcirculation, support metabolism, and reduce fatigue. Provides extra warmth during cold weather, making it ideal for daily use in winter. A thoughtful gift for men and women.Size Guide Extra Large (XL): Shoulder width approx. 50 cm, fits weight range 150190 lbs Large (L): Shoulder width 4548 cm, fits weight range 130150 lbs Medium (M): Shoulder width 4044 cm, fits weight range 110130 lbs Small (S): Shoulder width 40 cm, fits weight range 90110 lbs