2XU Men's Long Sleeve Compression Top 80% NYLON / 20% ELASTANE Imported Compression support: 70 denier fabric construction for 360 degree consistent yet powerful pressure | supports and protects the shoulders, deltoids, back and core muscle groups Enhanced performance: muscle containment for reduced vibrations & oscillation, less fatigue & muscle damage | improved muscle alignment for increased power and endurance | better postural position Superior technology: invista lycra for certified Gradient compression | antibacterial & spf 50 Sun protection | breathable & lightweight Proprietary circular knit: 2XU is the best fabric that provides the most consistent balanced compression power, moves in multiple directions and continues to provide the optimal support Warranty + care - 12 month Warranty with proof of purchase from an authorized 2XU seller. Machine wash in cold water and hang to dry Supports and protects shoulders, forearms, deltoids, back and core muscle groups Muscle Containment for reduced vibrations & oscillation, less fatigue & muscle damage Better muscle alignment for increased power & endurance, better postural position and improved breathing and agility Mesh paneling for increased ventilation and breathability with SPF 50+ sun protection for all day comfort Certified 70 Denier Invista LYCRA Compression with a 360 degree fabric knit construction for a consistent yet powerful pressure