Heavyweight — Merino Wool Base Layer Set Available in: Lightweight = 165 g/m², Midweight = 250 g/m², Heavyweight = 320 g/m². Merino Wool Hiking Socks ($21 Value!) – Package includes Merino wool Midweight base layer women top and wool long johns 320 g/m² + Merino Wool Hiking Socks. Makes A Great Gift! Super Soft & Comfortable – 100% Superfine 17.5 Micron Merino Base Layer Women Set provides all day comfort and no itch! Designed for daily wear without rubbing, overheating, or bunching of regular cotton. Moisture Wicking & Odor Resistant – Natural wicking and odor-resistant properties of Merino Thermal Underwear for women allow it to absorb moisture better than any other fabric, keeping you dry and fresh. Breathable – For longer lasting wear, hand wash and lay flat to air dry. Merino Wool Long Johns sets women naturally regulate body temperature to keep you comfortable all year round. Zero Worries: Every Merino.tech Merino Wool Base Layer Women we make is backed by our Merino.tech Promise - ensuring you're 100% happy with every Merino.tech purchase. For best results hand wash and lay flat to dry.