Arc'teryx Rho LT Zip Top - Long-Sleeve - Men's - $83.27

Start your base layers off right with the Arc'teryx Men's Rho LT Zip Top. The Rentex Powerflex fabric ensures plenty of warmth, next-to-skin comfort, and all the freedom of movement you need for skiing, climbing, or hiking. Arc'tery added a laminated chest pocket and underarm no-lift gussets to set this top apart from all the other shirts out there. There's no question which one to pick when you dig into your drawer for something to wear in the mountains. - $83.27