Your go-to for trail running and hiking. This all-new next-to-skin layer features a temperature-regulating Merino wool blend, and works on its own or as a base layer in cooler temps. You’ll never want to take it off – and with its odor-resistant qualities, you might not have to. Why you’ll love it:Soft-to-the-touch merino wool blend is designed to keep you comfortable in any conditions and works on its own or as a layer. HOKA Women\'s Merino Blend Long Sleeve in Outerspace, Size Small