Nothing beats a onesie when you’re trying to stay warm. Kokatat’s Polartech Power Dry Liner is a warm, stretchy layer to sandwich between your base layers and drysuit. My favorite feature: the women’s version has a drop seat compatible relief zipper.
Mens: $160, Women’s: $175 | www.kokatat.com
This gear review first appeared in the Spring 2015 issue of Rapid magazine.