Come and see our amazing products. One size fits most ladies. You can easily adjust head circumference with the elastic buckle behind the sun hat. The adjustable chin strap is durable and easy to slide up and down, ensuring that the summer cap does not fall in strong winds. Wide brim length is 3.35 inches, it is wide enough to protect the face and neck from the sun and provides excellent protection from UV rays. With foldable side snaps, it can be worn in different fashion styles: cowboy hat style and flat brim hat style. Casual stylish sun hats are perfect choices for outdoor, beach, gardening, fishing, safari, camping, hiking, hunting, pool, travel, climbing, mountaineering, boating, golf, etc. Pls confirm further with us if any query about packing info, inventory status and time schedule.