Bauerfeind Sports Compression Arm Sleeves (1 Pair) - Gradient Compression to Improve Oxygen Blood Circulation in Arms - Air Knit Fabric Breathable, Durable, Washable SUPPORTS THE ARM MUSCLES: The Sports Compression Arm Sleeves supports the arm muscles with a comfortable gradient compression. The compressive effect decreases from wrist to upper arm, promoting circulation. The muscles receive a better supply of oxygen, for optimal performance. STIMULATES CIRCULATION: The sleeves stimulate blood circulation causing the arm muscles to quickly heat up, which helps protect against injury and supports faster recovery times yet the skin remains cool and comfortable. COMFORT AND EASY CARE: The sleeves, which come in a sporty design, are sold as a pair and are durable, breathable and extra-soft in the elbow area for increased wearing comfort. Machine washable (see product packaging for details). FIT AND SIZING: Measure the circumference of the wrist and also the upper arm two fingers below the armpit. Length is determined from the distance from the wrist to two fingers below the armpit. Refer to the sizing chart in the product images for a size to associate with this measurement. 100% SATISFACTION GUARANTEED: With proper use and care, our products are designed to last. We stand behind everything we sell. We stand behind everything we sell. If you are not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase. MADE IN GERMANY with the highest quality standards.