COMPRESSION MOCK LONG SLEEVE TOPLIGHT. DRY. ALL DAY COMFORT. MOBILITY, VENTILATION. DOMINATION.• Nike Pro fabric helps you feel locked in and cool.• Compressive fit provides muscle support.• Mock neckline for extra warmth and coverage.• Mesh fabric under the arms enhances ventilation.• Flatlock seams help reduce irritation caused by chafing.• Fabric: 92% polyester, 8% Spandex.