The shoulder protector has excellent elasticity, with a soft and comfortable material that is lightweight and thin, providing a snug fit to the body. It is convenient to wear without adding extra weight or strain on the shoulders. Ergonomically designed and utilizing heat retention technology, this shoulder warmer helps retain warmth within 30 minutes. It provides warmth and comfort while supporting shoulder areas, helping to relieve discomfort. Made from high-quality polyester cotton, yarn, and spandex materials. Available in four different sizes for various shoulder widths: S, M, L, XL. Suitable for both men and women, especially ideal for individuals experiencing shoulder discomfort, office workers, athletes, and seniors. Item Name: Shoulder Warmer Material: Polyester Cotton, Yarn, Spandex Gender: Unisex Usage: Keep Warm, Comfort Support Features: Windproof, Soft, Comfortable Size Details: XL, Suitable Shoulder Width: 50-54cm (Approx.) L, Suitable Shoulder Width: 46-50cm (Approx.) M, Suitable Shoulder Width: 42-46cm (Approx.) S, Suitable Shoulder Width: 37-42cm (Approx.)