2XU Men's MCS All Sport Long Sleeve Compression Top 100% Other Fibers Imported Benefits: graduated compression for increased blood circulation for faster warm up pre-pre game, and reduced muscle stiffness and faster recovery post game | protects core stomach, lower back and oblique Features: MSc mapping to the trapezius muscles prone to rotator cuff injuries | MSc mapping to the latissimus dorsi prone to lower back injuries | flatlock seams to reduce chafe for greater comfort | antibacterial and UPF50+ sun protection Fabrics: compression support to entire upper body | medical circular knit fabric construction for 360 degree consistent yet powerful pressure | invista Lycra for Certified Gradient compression Active + recovery: training, competition, aerobic sports, running, cycling, gym/fitness, climbing, hiking and winter sports | post exercise recovery at rest, active recovery and travel Warranty + care: 12-month Warranty with proof of purchase from an authorized 2XU seller. Machine wash in cold water and hang to dry