evo.com | Wild Rye Long Underwear > Get rid of pesky gaps where cold air and snow can breach in the Wild Rye Olivia Onesie. This merino wool base layer features a good and back zip for easy entrance and exit. Thanks to its buttery soft fabric that wicks moisture and keeps you warm, it'll be even harder to resist that sweet mid winter pow. Fits True to Size 100% Merino Wool | 18.5 Micron Contemporary Fit Stink Resistant Breathable | Women's Wild Rye Olivia Onesie 2024 - 18 Red | Wool/Micron