Fit & Design: Adjustable drawstring for your size Made with 100% recycled bluesign® certified fabric Mesh fabric included for breathability One size fits most for a comfortable look and feel Crushed flat brim construction for easy packability Full coverage low-profile to keep you cool and protected Reflective details for visibility Technology: Moisture-wicking sweatband/underbrim for comfort and to keep sweat away from your skin UPF 50+ sun protection to keep your skin from harmful UV rays Sunglass™ lock keeps your glasses in place Additional Details: Hand wash cold, line dry. Do not bleach, iron or dry clean Packing instructions: crushable Weight: 2 oz. Hat circumference: Medium: 22" – 22 7/8"; Large: 22 7/8" – 23 7/8" Brim circumference: 2"