From the softest long-sleeves to the best hiking socks, here’s everything you need to stock your travel wardrobe.

To find the best women’s long underwear ... They are often woven from merino wool or technical synthetic fabrics that also have moisture-wicking and odor-reducing properties.

Lé Bent waffle-knit leggings use the brand’s tried-and-tested Nuyarn construction, which means the wool fibers are spun around a bamboo filament, rather than coiled, as with traditional merino.

Kroll said Americans tend to shy away from wool tights because they think they will be too itchy. She recommended looking for ...