Product: Merino 250 Top Base Layer 1/4 Zip Long Sleeve - Women's Price: $150 Store: Smartwool Merino wool base layers come in different weights. The Merino 150 is meant for multiple activities, such as hiking and backpacking when it's warmer outside. In this review, the Merino 250 Top Base Layer, is one of the heaviest layers to wear. It's slim fitting and meant … [Read more...] about Review: Merino 250 Top Base Layer 1/4 Zip Long Sleeve – Women’s