As sales of thermal clothing hits record high, here's where to buy the best base layers - Wear Next.

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Keep out the cold with thermals.

32 Degrees and more base-layer brands that are warm and affordable - CBS News

Buy Merino.tech Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom and other Active Base

Merino.tech Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom

Ultra Dry Thermal Underwear For Kids Long Johns Fleece Lined Leggings And Shirt Boy And Girl Unisex Underwear Bases Set Black: Clothing, Shoes & Jewelry

Buy Xtreme Heat Mens Base Layer Set - Top & Bottom - Compression Shirts for Men, Compression Pants Men, Rash Guard for Men and other Active Base

Mens Base Layer Set - Top & Bottom - Compression Shirts for Men, Compression Pants Men, Rash Guard for Men

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As sales of thermal clothing hits record high, here's where to buy the best base layers - Wear Next.

Buy LAPASA Men's 100% Merino Wool Base Layer Set Lightweight Midweight Thermal Underwear Activewear Long John Top Bottom M31/M126 and other Bottoms at

LAPASA Men's 100% Merino Wool Base Layer Set Lightweight Midweight Thermal Underwear Activewear Long John Top Bottom M31/M126

Realtree Base Layer Thermal Underwear for Men - Hunting Gear, Cold Weather Long Sleeve Shirt Long Johns Top (Medium/Black) at Men's Clothing store

FitsT4 Sports Men's Thermal Fleece Lined Mock Neck Baselayer Tops Long Sleeve Running Athletic Shirt with Thumbholes Navy S at Men's Clothing store

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