-Approximately Dimensions: ❥Interior circumference size: 21"-22.8" (53-58cm), adjustable size. ❥Hat Brim: 2.5" (6 cm) ❥Cap Height: 5" (13cm) -Please allow 1-2cm measuring deviation due to manual measurement. -Internal elastic for adjustable fit -How to measure: ❥To measure your head circumference, take a sewing measuring tape or even a string, and wrap around above the ears and across your eyebrows. Please stick your finger under the tape so there is a little room and there you have head circumference! -Material: Cotton Linen. -Hat Care: Hand wash. -Chic simple Outdoor Cap hat/ UV Protection hat/ Washed cap hat/ y2k cap/ Classic flat cap/ Newsboy cap/ Boho flat hat/ Street fashion cap/ Boho crazy patchwork hat/ UV protection hat/Irish flat cap/ Breathable Summer Golf Cap/ Adjustable Driving Hat/ Outdoor Cabbie Cap, Wide brim hat perfect for all occasions. -Wedding guest gift, bachelorette party, bridal shower gift, honeymoon gift, bridesmaid proposal, bridesmaid gift, bachelorette gifts, holiday gift, vacation gift, birthday gift, Mother's day gift, Father's day gift.