Cotton! Great blue wash denim, no distressing! Full functioning button up. Round low crew neck, no collar. Short sleeve. Sewing style/darting on front and back, gives great shape! 2 button flap chest pockets. Metal buttons with ensigna. Like NEW! Size Medium. Wear with any printed bottom, skirt, shorts, or wear unbuttoned over any dress! Easy to layer and wear all year! Lots of endless options! *Machine Washable! 100% Cotton Aprox.Meas. Flat Lay Unstretched Pit to Pit: 19" Waist: 18" Length: 21" Condition: Pre-loved. Excellent condition