Condition: Brand new and never used. Material: Fine silk, breathable, quick-drying. Protect yourself from outdoor sports in summer. UV Protection: The fabrics of arm sleeves are treated with ultraviolet light absorber which can powerfully absorb high-energy ultraviolet radiation and maximally protect your arms from harmful sun damage. Windproof Design: While you are doing outdoor activities in windy weather such as running, cycling, walking, golf, fishing, football, gardening, etc, wearing our arm sleeves will be a good choice to protect your arms from wind and dust. It also helps to soothe sore muscles. Note: Not suitable for extremely cold weather. Solid Color: Our low-profile designs fit comfortably under clothing, and the pure colors ensure that our arm sleeves have the wild pattern that can match almost different kinds of designs and colors of clothes.