What Our Gearhead(R) Experts Are Saying:"I've worn this for everything-touring days, chilly resort mornings, even as a travel top. The merino blend is warm but never stifling, and the mock neck with the quarter zip makes it super adaptable. It layers cleanly under shells and feels soft enough to wear all day without thinking about it."A cold-weather essential with natural performance built in, the Merino Mock Neck gives us breathable warmth, next-to-skin softness, and adaptable style for layering through all kinds of winter missions. Whether we're chasing early-morning pow laps or hitting the trail before sunrise, the interlock merino blend keeps our core warm while letting us breathe through high-output moments. With a mock neck and quarter zip for adjustable ventilation, this baselayer top feels right at home under technical shells or worn solo on milder days. The moisture-wicking fabric stays fresh through multi-day use, while its weight adds just the right amount of insulation without the bulk. A fitted silhouette and stretch construction make it easy to move through the mountains or the day with confidence.