Adjustable buckle for sizing Two available sizes: Small/Medium (54-57cm) Large/XL (58-61cm) Dark navy tweed nailhead patterned wooden fabric Navy blue cotton under brim 40% Wool, 40% Polyester, 20% Cotton Lumberjack fleece lining for extra warmth This cap is designed to develop character and age gracefully over time. It is not recommended for hand or machine washing. If the cap becomes dirty or stained, gently dab the affected area with a towel dampened with cold water. Carefully tap the stained area to remove any dirt or stain, taking care not to rub too harshly to avoid damaging the fabric. Embracing the natural aging process of the cap will enhance its unique charm and character, ensuring it remains a timeless accessory in your wardrobe for years to come.