T-Shirts & Vests by adidas performance. Crew neck, short sleeves, and adidas logo detail. Regular fit. True to Size. Made with 70% recycled polyester and 30% cotton. Features AEROREADY technology for moisture absorption and a New Lift pattern for enhanced breathability. Designed for a full range of motion, allowing arms to move freely overhead. Stay dry and comfortable as your heart rate rises during training. Material: 70% rec.Polyester/30% Cotton.