Mountain Hardwear W Butter™ Tight

From high alpine hiking trails to climbing gyms, the Butter™ Tight is a versatile, soft base layer that pairs perfectly under a jacket and is always ready when you need a comfortable yet flexible fit. With UPF 50, odor-resistant, and moisture-wicking material combined with a close-to-skin fit and freedom of movement, there’s no path, ascent, or mountain paradise you’ll want to explore without them.