Those base layers can include thermal underwear, also known as long johns ... XS-3XL These 100% Merino wool bottoms from Smartwool come recommended by Clower. They have a slim fit that hugs ...

1 recommendation for long underwear is merino wool,” says Sarah Savala ... New Zealand brand Icebreaker is synonymous with all things merino; its sustainably designed apparel is constructed ...

“This collaboration integrates the natural merino wool fibers that icebreaker is known for with Timberland’s iconic aesthetic for a true crossover collection.” But Timberland and icebreaker ...