REVITALIZE ARM MUSCLES during everyday work activities or work outs. Offers breathable sun protection and warming properties during cooler temperatures. Helps minimize post injury and post surgery instability. A perfect cover up for Tattoos and other Skin Art when needed..FIRM 20 - 30 mmHg COMPRESSION provides continuous support for the tendons and muscles, in your Arms. Graduated Compression promotes Blood Flow to help injury recovery and prevent future muscle strain. Our Arm Sleeves relieve Muscle Fatigue & Sprains caused by overexertion and common ailments such as Muscle Stress and common Muscle Pulls..WIDE COMFORT BANDS AT THE WRIST AND UPPER ARM help Arm Sleeve stay in place – comfortably – during sports training or everyday work place activities. Manufactured with Moisture Wicking fabric to keep you Dry and Comfortable throughout your day..ENGINEERED WITH MICROFIBER NYLON AND SPANDEX providing a Durable and long lasting Arm Sleeve. Knit on state of the art "True Graduated Compression" knitting machinery, that promotes focused Compression on the Arm region. Machine Washable..MEASURE AT THE WIDEST PART OF THE ARM typically the Bicep with a flexible tape measure, ribbon or string. Compare this measurement to our size chart to choose your size. Size up for more comfort or size down for more compression.