2XU Women's Short Sleeve Compression Top 80% NYLON / 20% ELASTANE Imported OPTIMAL COMPRESSION SUPPORT: Medical Circular knit 70 Denier fabric construction for 360 degree consistent yet powerful pressure | Supports and protects the shoulders, deltoids, back and core muscle groups ENHANCED PERFORMANCE, LESS SORENESS: Muscle Containment for reduced vibrations & oscillation, less fatigue & muscle damage | Improved muscle alignment for increased power and endurance | Better postural position and improves breathing and agility SUPERIOR TECHNOLOGY: Invista LYCRA for Certified Gradient Compression | Antibacterial & SPF 50 Sun protection | Breathable & Lightweight ACTIVE USE: Training & Competition, Aerobic Sports, Running/Walking/Cycling, Gym & Fitness, General Sports, Paddle & Water Sports, Climbing & Hiking, Winter Sports 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