One Size Fit MostThese uv sleeves are the perfect fit for everyone! Made with a 4-way stretch fabric,the stretchy nylon-spandex fabric stretches to over 4 times its length, no matter your arm size, you'll be comfy and covered.Whether you're hiking, golf, volleyball, baseball, driving, bike riding, running, walking, Gardening, yard work, soccer, basketball, motorcycle, pickleball or engaging in other outdoor activities, our sleeves offer dependable protection and comfort.Comfortable Compression Fit Arm SleevesEnjoy a snug yet flexible fit with our 4-way stretch fabric. These sleeves provide gentle compression that supports muscles without restricting movement, ideal for sports and outdoor adventures. There is enough squeeze to hold them in,and not enough to cut off circulation.They can make great coverage and slight compression of your arms,not easy to slip off and stay hug to your arm but not super tight so you can move easily and feel comfortable.Breathable Cooling SleevesOur arm sleeves are made with a sweat-wicking fabric,which is breathable, moisture-absorbing and fast-drying.Beat the heat with our moisture-wicking fabric that ensures you stay cool and dry. Experience a refreshing 3-5F cooler sensation, perfect for hot days and rigorous activities. Simply dampen them for an instant cooling effect whenever you need it.Superior UV Protection DesignShield your arms with Arm Compression Sleeves,crafted from UV-resistant nylon and spandex materials, blocking over 98% of harmful UVA & UVB rays. Say goodbye to reapplying sunscreen every 10 minutes! This sun protection sleeves to cover arms can keep your skin out of direct sunlight, keep cooling and protect your arms from sunburn and premature aging.Long-Lasting Tattoo Cover Up Sleeve Our arm sleeves for men women are treated with anti-tear and anti-pilling treatment, which is wear-resistant and long lasting. If you need to cover tattoos or scars due to your work, then wear our compression arm sleeves!Ditch the long sleeve shirts and become a tattoo top gun! And We're committed to delivering high-quality products. Your satisfaction is our priority please let us know.