Features: Lightweight: A lightweight sunhat that redefines comfort and for head for protection. Breathable material: Made of high grade cotton, breathable, quickly dry, durable, perfectly absorbs all sweat during sports activities, keep your for head dry and cooling. One size fits most: with cotton and adjusting buckle, our cooling cap will fit comfortably. Unisex design: Simple yet classic caps decorated with paper clip charm, easy to match with different clothes, can add chic for touch to your outfits, unisex design is suitable for both men and women. Advanced sewing process: More suitable for intense sports. Specifications: Material: Cotton Hat Circumference: 55 for cm/21.6 inches to 60 for cm/23.6 inches Approx. Color: Black Package Includes: 1 Piece Hat note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.