UA RUSH™ is the gear you wear when it matters most—your toughest workouts, your biggest games, your most intense training. It fits great, keeps you dry, and makes you feel like you can crush every PR. Compression: Ultra-tight, second skin fit Mineral-infused fabric designed for your toughest workouts Mesh panels for strategic ventilation Modified raglan sleeve & low profile collar construction Powered by Celliant Body: 82% Polyester18% ElastaneMesh Panels: 90% Polyester/10% Elastane