Loose-Fit Gloves Arm SleevesUnlike compression sleeves tightly stick to your skin, making you painful and leaving imprints over your arms, these loose-fit sun protection sleeves are extremely comfortable and breathable. Arm Sleeves is 2024 upgrade item, The fabric is comfortable, skin-friendly and durable.Size: 55*15cm/21.65*5.9in.Material: polyester fiber.All-round Sun Protection Design1. Adjustable arm mouth, the arm mouth is loose and comfortable without slipping. 2. Back of the hand guard + finger cot design: fingerless gloves,free fingers, comprehensive sun protection 3. Hollow design of fingers and palms: sweaty palms are released in time to keep the palms dry and not slippery; it retains no friction, convenient to take things without slipping, and convenient for drivingSunscreen effect & Use1. The real UPF50+ can block 95%+ of harmful radiation and will not be sunburned. 2. It can be used for driving, cycling, traveling, training, racing, running, cycling, fishing, driving, golf, jogging, climbing, etc. Say goodbye to Sunburn and black arms!UPF 50+ Protection SleevesDesigned and produced to improve the following shortcomings of the existing sun protection arm sleeves in the market.Minimum standard of uv protection:UPF40With cooling technology and UPF 50+ protection, UV blocking rate of these Cooling Sun Sleeves is as high as 95 percent , it blocks UVB and UVA of different wavelength, resisting the damage of sunlight in different intensities.Material &WorkmanshipThe polyester fiber with high strength and elastic recovery ability is selected as the main fabric, so it is durable, wrinkle-resistant, iron-free and light-fast. Technology fiber combined with dense weaving technology to realize micro-elasticity and not easy to deform.