Paper Straw Medium best fits for 56-59cm, 7-7 3/8, 22-23.2inch; Large best fits for 59-61cm, 7 3/8-7 5/8, 23.2-24inch, X-Large best fits for 60-62cm, 7 1/2- 7 3/4, 23.6- 24.5inch.Size Adjustable with an adjustable grosgrain tape built inside the sweatband. Packable & foldable, crushable materials helping this hat easy to take and still hold its shape.you can slightly fold it and tuck in away in suitcase, great for cruise, beach vacation, outdoor…… You can remove the occasional crease easily with steam iron, you can find the instruction from the product images. Unisex, this short brim straw fedora sun hat looks stylish on both male and female. Fashionable, the unique waist band design offers this class fedoras an attractive and distinctive style. Breathable & Lightweight,ventilated. so it does not overheat in hot weather, the brim can also provide some sun shade.