Adjustable Military Style Sun Protection CapAdd something different to your casual wardrobe with this unisex vintage flat military style hat, this is made from slightly thicker material than a standard cap making it a bit warmer. Every cap is thoughtfully made with high quality cotton, with air holes are on the side of the hat to enable air ventilation. Each hat has a size adjustment clasp on the back of the hat allowing adjustment to the hat size, suiting head sizes 55cm 60cm. Adjustable back,