evo.com | Kari Traa Long Underwear Tops > Merino Wool met the Kari Traa Vilma Half-Zip Top and fell in love. This warm and moisture-wicking base layer is made with 100% of it - meaning you get to zip up a soft and sweat-resistant top every time you ride. Constructed with a slim fit, raglan sleeves, and a high collar, this Norse-inspired zip-up is ready for days and days in the snow. Slim Fit Flatlock Seams for Smooth Finish 19.5-Micron 210 g/m^2 100% Wool IWTO-Certified, Traceable, Non-Mulesing Merino Wool Fold Up Hem | Women's Kari Traa Vilma Half-Zip Top 2027 - Medium Black | Wool/Micron