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Fjallraven Byron Hat Thin

rated 4.5 of 5 stars
photo: Fjallraven Byron Hat Thin winter hat

A great looking hat made from natural fibre that is just that little bit thinner for when you need to warm your head without cooking it. Provides just the right amount of warmth and wicks well to keep you from feeling too clammy


  • Style
  • Comfort
  • Natural material
  • Range of colours


  • Cost
  • Susceptible to moths if not stored correctly

I have worn my Fjallraven Byron Thin at various times when the temperature has dropped but I am still active and working up a sweat. I run really hot so some hats are actually too warm and I soon feel hot and bothered. Not so with this hat. I can walk comfortably, attend to jobs around camp, or sit with friends by the fire without having my head cooked by a thicker hat. It looks great too and comes in a variety of colours. I went for brown as I spend a lot of time in the forest. 

It is made from 100% lambswool, which is comfortable enough but not as comfortable as merino wool. That said, considering my bald head, I did not find it too itchy—no more so than any other hat I have worn. It is ribbed and with a folded edge at the bottom "Fisherman Style," which provides a little more warmth around the ears. At 40g it is reasonably lightweight and does not add noticeably to a lightweight backpack, though it is a little more bulky. It has a Fjallraven leather logo tag  stitched onto the side of the hat for the more label-orientated wearer, though personally I'd quite happily cut it off.  

The only drawback with natural fibre is moths. They love tucking into really expensive garments and ruining them (bitter taste of experience). It's as if they know which garments are the more expensive ones. So either put up with smelling of mothballs or store it carefully when you're not using it. It also seems a lot to pay for a hat that is made out of lambswool as opposed to merino wool. 

To summarise, the Fjallraven Byron Thin is a stylish and practical hat that comes in a range of colours. It is great for milder conditions or if you are working up a sweat. 


Worn in cooler conditions (not freezing) for Forest School, Bushcraft trips, walks, and sitting round the fire in the evening.

Source: bought it new
Price Paid: £25

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