Made in CANADA. Uses Canadian Sizes, NOT UK HAT SIZES. See the sizing info tab for details.The T5MO Tilley Hat, designed with a medium brim, is made of a soft, sueded certified organic cotton with 3/4" polyester mesh. The mesh helps to both ventilate warm air out and allow cooler air to flow in while the sturdy cotton fabric is rugged yet exceptionally lightweight.Hat Details:- Made of 98% Organic cotton, 2% spandex- Guaranteed for life not to wear out- Insured against loss- Excellent sun protection, rated UPF 50+- Dark underbrim for glare protection- Repels rain, floats- Ties on in the wind- Machine washable, won't shrink- 4-page Owner's ManualSecret pocket- Medium brim with 3/4" ventilation mesh- Brim size: Front: 2 5/8" Back: 2 3/4" Sides: 2 1/8"- Weighs 3.5 ounces Tilley Hat Sizing Info:Tilley uses Canadian sizing, which is one size larger than UK sizing. A UK size 7 would be a Canadian size 7 1/8. 6 7/8 - 55cm, 7 - 56cm, 7 1/8 - 57cm, 7 1/4 - 58cm, 7 3/8 - 59cm, 7 1/2 - 60cm, 7 5/8 - 61cm, 7 3/4 - 61.5cm, 7 7/8 - 62.5cm, 8 - 63.5cm, 8+ - 66.5cmFor comfort Tilley suggests ordering a size above your usual hat size. If you are a UK size 7, Tilley recommends ordering a Canadian size 7 1/4. If you have any questions, please call us at 0844 357 7614. We are happy to help.