Made in CANADA. Uses Canadian Sizes, NOT UK HAT SIZES. See the sizing info tab for details.The lightweight Tilley Tec-Wool Hat is styled with a medium size brim and has c_change™ fabric technology and earwarmers that can be tucked away. The innovative c_change™ membrane is bonded to the fabric and reacts to changing body temperatures, ensuring constant comfort. It is made out of 75% wool, 19% polyester and 6% polyurethane. This carefully thought out hat that also has a lifetime guarantee.Hat Details:-Guaranteed for life and insured against loss -Certified sun protection - delivers an Ultraviolet Protection Factor of 50+ -Stays on in the wind using the wind cord - even while skydiving! -Innovative sunglasses holder with hidden Velcro tab -Hydrofil anti-sweat band to wick away moisture -Floats - closed-cell foam in the crown -Secret pocket in the crown - carry ID, cash or credit card -Repels rain and mildew resistant -British brass grommets -Comes in every human size -Machine washable, won't shrink -Includes a 4-page Owners Manual Tilley Hat Size Guide: 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+ - 66.5cmTilley Sizing Info: Tilley uses Canadian sizing, which is one size larger than UK sizing. If you are a UK size 7, then you would wear a Canadian size 7 1/8. Tilley suggests ordering a size above your usually hat size. If you are a UK size 7, Tilley recommends ordering a Canadian size 7 1/4. This is both for comfort and in case the hat shrinks.If you have any questions, please call us at 0844 357 7614. We are happy to help.