Best for: Training sessions, gym workouts, and active days - your lightweight, breathable essential... The features: This easy-fit style has a crew neck and short sleeves. Designed with side panels for unrestricted movement and flat-lock seams for ultimate comfort. It's super lightweight, breathable, and stretchy... Our fabric: Light as air and naturally cool, our Light Air Jersey is a nature-based, breathable blend of bamboo viscose and organic cotton with just the right amount of stretch.... Regular fit. Easy care - machine wash at 30°. 68% Bamboo Viscose, 28% Organic Cotton, 4% Elastane