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Men’s mid weight merino Mountain Shirt


By now you’ll have decided which type of McNair shirt you are. If you’ve happened onto this page without considering the options, please click here and take a little step back to consider the options around fabric, fit and length outlined on the shop section of the site. And if you’re unsure in any way just call us on 01484 846666

If you have made your choices and you’re ready to go, even better, you’re just a couple of clicks away from the best mountain shirt in the world.

Choose the size and length of your mid weight virgin merino shirt below.

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The McNair mid weight virgin merino mountain shirt.

The perfect everything, #worneverywhere shirt – our mid weight merino shirt is slightly thinner than our heavy weight shirts and isn’t raised on the inside face of the fabric. Perfect for about town, sundown warmth for a camping trip, festivals, days outside or just about anything. The merino fabric is woven, spun and milled with our partners within a ‘stones throw’ or two of the McNair Atelier in Yorkshire. It’s warmth levels would be comparable to a heavyweight fleece but because of the processing the woven fabric goes through, it is far more weather resistant.
Available in Charcoal, Arctic Silver, Black and Slawit Blue.

Merino can do many wonderful things for you. And one of its best properties is keeping you at the right temperature. So it will insulate you from cold and it’s also brilliant at making sure you don’t over heat when the sun starts to show its face – another reason our mid weight merino shirt will become your everything shirt.

Size ChartsSuggested ChestWaist
Small Standard36-38"Up to 35"
Medium Standard38-40"Up to 36"
Large Standard41-43"Up to 41"
X Large Standard44-47"Up to 45"
XX Large Standard48-51"Up to 49"
Small Long36-38"Up to 35"
Medium Long38-40"Up to 36"
Large Long41-43"Up to 41"
X Large Long44-47"Up to 45"
XX Large Long48-51"Up to 49"

Additional Information
Weight1.8 kg
Dimensions58 x 45 x 11 cm

Charcoal, Arctic Silver, Slawit Blue, Black, Classic Navy, Dark Sage


Small, Medium, Large, Extra Large, XXL, XXXL, XXXXL

Reviews (11)


  1. :

    Thank you for the amazing shirts! Incredible quality and they look, feel and fit great – thank you so much!

  2. :

    Thought I would take a few minutes to let you know how pleased I am with my recent purchase. In a word WOW many thanks to Irina for putting this fantastic shirt together.

    I will be in Namibia later this year and the shirt will be perfect for those early morning starts.

    I will send a picture of my McNair from Namibia, my first McNair but not my last.

    Over the Moon.

  3. :

    First impressions of the shirt are great, sizing and cut is perfect and the quality is obvious.

  4. :

    I’m every bit as impressed with the two new shirts (Mill shirt & mid-weight Mountain) as I was with the heavy-weight Mountain Shirt!

  5. :

    Shirt arrived today and I had to try it out in a minus 3C walk this evening. Just as I would expect merino to behave, but so well made and comfortable!

  6. :

    Many thanks for one of the best pieces of clothing I’ve ever owned!

  7. :

    I road tested my McNair Mid Weight Mountain shirt in Zermatt. Conditions on the ski slopes ranged from -21 with additional 84kph winds to a balmy +7. I used my shirt as a mid layer between a merino baselayer and a lightly insulated jacket. Heaven. The shirt moves with you, keeps you warm when the winds are up, and cool when the sun is out. It also feels great sitting in a bar with a t shirt and jeans.

  8. :

    “Thank you very much. I am both grateful & impressed by the service!”

  9. :

    Absolutely stoked on the shirt, the customer service has been amazing and delivery was super quick!! Love the neck warmer too. Will definitely recommend your products!! Thanks for all your help with picking the perfect McNair shirt.

  10. :

    I get a compliment every time I wear it. It is hands down the best piece of kit in my bag at the moment and It won’t be bested any time soon.

  11. :

    Amazing mountain shirt it has kept me warm on the coldest of days, fits like a glove and gets better everyday.. AWESOME

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