Knitted ice silk Comfortable material: Made of ice silk or knitted ice silk, soft and breathable, with strong sweat absorbing ability, makes you feel cool and quick-drying, making you comfortable to wear in hot weather; Easy to use: Arm sleeve length approx. 53cm, with the right amount of stretch, for most people, you may want this sleeve to protect your arms and make your outdoor activities go more smoothly. Practical Design: Our cooling sleeves are long and cover most of your arms, protecting your skin from sun exposure and UV radiation when outdoors, and can be used by both men and women. Applicable Occasions: These arm sleeves can be used for various occasions, such as walking, training, cycling, fishing, driving, golfing, jogging, climbing or any other outdoor activities, they are a must for your life, especially for summer use. Multiple Colors Available: As shown in the picture, there are many colors, which can meet your matching needs, and can also be used as gifts for relatives and friends; this is a lightweight, breathable and thin style.