Smartwool and Icebreaker are two of the top brands making baselayers for cold-weather recreation. Both make use of merino wool, which is prized for its unique marriage of insulation and breathability. Right now, Backcountry has some great deals — up to 30% off — on simple, efficient styles from both companies. Shop some choice selections below or peruse the entire sale here, which also includes items from Patagonia, Stoic and Under Armour.
Merino 250 Baselayer Crew by Smartwool $95 $76
BodyFit 200 Oasis Crew by Icebreaker $90 $63
