evo.com | Icebreaker Long Underwear Tops > A wonderfully versatile base layer that'll go from ski and snowboard missions to crisp fall hikes in a snap, the Icebreaker 260 Tech Long Sleeve Half Zip Top is made from 100% midweight merino wool for amazing warmth and stink-free comfort this winter. Underarm Gusset for Comfort and Mobility Slim Fit A snug, close-to-body fit for low bulk layering. 260 g/m^2 Midweight Fabric 100% Merino Wool Soft merino fibers that regulate body temperature in all weather conditions and resist odors. High Point Shoulder (Size L) 75.2cm / 29.6" | Icebreaker 260 Tech Long Sleeve Half Zip Top Men's 2024 - Large Black | Wool