Best for Running: Icebreaker Oasis Crewe Stripe

mj-618_348_best-for-running-icebreaker-oasis-crewe-stripe
 

The Oasis is made from 200-gram merino wool that’s immensely breathable and naturally odor resistant, and it has a looser fit that’s ideal for winter runs. It also has one quality that’s rare among technical base layers: It actually looks OK with a pair of jeans. [$90; icebreaker.com]