UPF 50 PROTECTION: The arm sleeves are made of premium soft fabrics, 70% Nylon and 30% Spandex. They can block out as high as 97% of harmful UVA and UVB rays to prevent sunburn, skin aging. No more Sunscreen needed as you are protected all day long.

The arm sleeves are designed for long, hot hours under the sun, the lightweight arm sleeves will keep you comfortable whether you're running, golfing, fishing, playing basketball, cycling, hiking, driving or even gardening. Suitable for indoor activities too, even your workplaces. Your arms won't stick on your desk.

The cooling arm sleeves are seamless and elastic. It can offer perfect 360° fit. The stretch fit sleeves can stay on your bicep, does not make you itchy or leave imprints on your arms. The V-type knitting process fits to the arm curve, helping the arm to release the pressure better.

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