[56.0-60.0 cm]
Size: M size: 21.3 - 22.8 inches (54 - 58 cm); L size: 22.0 - 23.6 inches (The size is fine-tunable. Product Description: This hat features an Eigis Defense Ship with a hull design of the Marine Self-Defense Forces. Shatterproof chin strap Rear slide adjuster