Polyester,Cotton.HIGH-QUALITY MATERIAL: Made of high-quality cotton polyester. Super soft, stylish, warm in winter..ONE SIZE IS MOST SUITABLE: Head circumference: 56-58 cm/ 22-22.8". 5 bright colors available. Just choose your favorite color..UNIQUE DESIGN: Simple, cool and stylish style with this reversible bucket hat. You can change different style any time. Solid colored hat for a simple casual look, lightweight & cozy enough, to keep your head and ears warm in winter..FOLDABLE AND PACKABLE: It is easy for you to carry everywhere. Foldable and easily placed in a handbag to save space, great for travel, outdoor, holiday vacation, etc. Also it can regain its shape easily..WARM CUSTOMER SERVICE: 100% quality and customer satisfaction guarantee. TOTALLY RISK FREE. Buy with confidence now.