Our best selling warm winter Tilley hat. We do that by using c_change™ technology which independently reacts to changing temperatures. This is a great 3 seasons hat. Our tec-wool hat uses c_change™ by Schoeller® Switzerland technology membrane to ensure constant comfort. What is c_change® technology? Much like a pinecone, the c_change™ technology membrane opens when the outside temperature rises, and close again when the temperature drops. Hat Details Keeping warm – discreet tuck away ear warmers can be pulled down in cool weather Constant comfort - c_change works to maintain an even temperature Staying dry – fabric repels both rain & snow Guaranteed for life Hydrofil® sweatband to wick moisture away Keep valuables safe in the secret pocket Brim size - Front: 2 5/8"; Back: 2 3/4"; Sides: 2 1/8" Weight - 4.8 oz / 136 g Manufacturing - Made in Canada Care - Dry Clean Only Sizing Information Small, (55cm - 56cm) Medium, (57cm - 58cm) Large, (58cm -590cm X-large, (60cm - 61cm) For more information about sizing, check out our Tilley Sizing Guide.
