Icebreaker GT 260 Quantum Zip Top - Long-Sleeve - Men's - $44.99

The midweight Icebreaker Men's GT 260 Quantum Long-Sleeve Zip Top keeps you warm under your shell without making you sweat. Vented underarms, a front zip, and super-breathable merino wool let your body regulate its core temperature to keep you comfortable and performing at the top of your game. - $44.99