well in the past when it's very cold i stay in a blind with space heaters. but when i got into hunting i told myself that each year i would push and test myself a little further. so this year i've gone with the saddle.
Layering.
Start with a Good base layer. Light or mid weight Merino. Merino is popular for a reason.
Mid/insulating layer. Mid or heavyweight fleece or thinsulate top and bottom. Or puffy pants/jacket. These can also double as outer layers.
Shell/outer layer. Wind proof and/wind resistant. Insulation optional, unless braving extreme cold then make sure it’s also insulated. Does not need to be rain/waterproof. You should by a separate suit for rainy days.
Feet. Boots should be heavy insulated pacs with removeable liner or rubber with 1000gr+ of insulation. Mid or Heavyweight wool socks. Consider packing in a second pair to change into a dry pair at base of tree.
Hands. Light liner gloves with a muff or throw grabber warmers in pockets. If you need something thicker for walk in consider mid weight fleece or wool glove.
Head. Heavyweight knitted wool cap or beanie. Or Sherpa lined hat. Also consider something with wind stopper. For neck you can use a buff or neck gaiter, or a heavyweight balaclava.
Optional: air activated chemical warms. Get some hand ones for your pockets and peel and stick for thighs, kidneys, or anywhere else you need extra warmth.
Also consider a heated vest/jacket.
If you want recommendations on specific brands you’ll get them for days.
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