Youth Size - First Mate with Ships Anchor Embroidered Baseball Cap - Navy Blue 100% Cotton Twill Recommended Age: Toddler to 10 Year Old - Cap Color: Navy 100% Cotton Twill Fabric Profile: 3" Mid-Crown, Six Panel Construction - Adjustable Circumference Size: 18" to 23.5" Structure: Constructed, Stiff Front Fused Buckram Backing Back Strap: Fabric-Covered Velcro Closure Military Acronym - Slang Term