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 unravelThe brass eyelets come from Britain and are the best availableCertified sun protection fabric blocks 98% of harmful UVA/UVB radiation and delivers an ultraviolet factor (UPF) of 50+, the maximum rating givenSecret VelcroA(R) closure pocket in the crown to stow-away keys, cash or credit card Medium-sized brim with sides that snap up in the Aussie mannerVentilation grommets allow for added cooling abilityAdjustable, tuckaway, Fore'n'Aft wind cord keeps hat in placeDark underbrim reduces glare from water, sand and pavementRain repellent (except where it's obviously not quite)Closed-cell foam in the crown adds buoyancyPackable, 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 apartTilley hats are insured against loss. Tilley will give 50% of the original value of the hat for up to 2 yearsMachine wash on delicate cycle separately or hand wash in cool waterAvg. weight: 5.4oz. Brim measurements: Front and back: 2 3/4" Sides: 2 3/8"Import.