Sizes: XS 7, S 7 18, M 7 14, L 7 38, XL 7 12, XXL 7 58 The most sought after Tilley hat, the T3 features a medium sized brim with sides that can be worn snapped up or down. The pre shrunk 100% cotton duck fabric is tough as nails and is treated with a water repellency finish and will not mildew. Constructed from 10oz. cotton duck, a tough, soft, closely woven, mercilessly preshrunk water and mildew repellent, canvas like material Hand sewn using very strong thread all seams are lock stitched so they won't unravel The brass eyelets come from Britain and are the best available Certified sun protection fabric blocks 98% of harmful UVAUVB radiation and delivers an ultraviolet factor UPF of 50, the maximum rating given Secret Velcro closure pocket in the crown to stow away keys, cash or credit card Medium sized brim with sides that snap up in the Aussie manner Ventilation grommets allow for added cooling ability Adjustable, tuckaway, Fore'n'Aft wind cord keeps hat in place Dark underbrim reduces glare from water, sand and pavement Rain repellent except where it's obviously not quite Closed cell foam in the crown adds buoyancy Packable, crushable throw it in your backpack, suitcase or golf bag it comes out looking good! Tilley provides a full 100% guarantee for the life of their hats. They are guaranteed not to shrink, tear or even fall apart Tilley hats are insured against loss. Tilley will give 50% of the original value of the hat for up to 2 years Machine wash on delicate cycle separately or hand wash in cool water Avg. weight: 5.4oz. Brim measurements: Front and back: 2 34 Sides: 2 38 Import.