【Soft and Comfortable Fabric】Our arm cooling sleeves for men & women are constructed of lightweight moisture-wicking fabric that’s highly breathable, dries quickly, and keeps skin cool. Snugs lightly on your arms like a second set of skin, soft and lightweight. 【One Size Fits All】With 4-way stretchy feature, the length can be stretched to 36 inches and the upper arm can be stretched to 8 inches, flexible to any size. Super easy to slip on and off. High elasticity keeps arm sleeves from slipping down all the time and hugs your arms firmly without being too tight. 【Professional Accessory 】There is a non-slip elastic band around the upper arm, which can be worn better without slipping off. There also have a thumb hole, and the finger-exposed design can provide more comprehensive sun protection. 【Coverage Effect】Compared to long-sleeved shirts, our sun sleeves are easier to put on and take off. If you want to cover your arms, our arm sleeves will be a good solution. Its tightly woven structure allows the sleeve to provide essential protection during gardening and cooking tasks as well. 【Occasion】You can wear our sun sleeves for any outdoor activities, our arm sleeves keep you comfortable whether you’re playing basketball, volleyball, golf, angling, cycling, climbing, hiking, etc.