78
$100 This top is the gold standard for staying warm, dry, and comfortable during and after all of our outdoor adventures 75
$59 Ounce-for-ounce, this is the strongest base layer available on the market today 75
$110
Like the award-winning bottoms, this 100% Merino top is a near ideal midweight option, offering an impressive blend of warmth and breathability for winter athletics 74
$89
A relaxed fit merino wool and recycled polyester blended top that offers an ideal combination of breathability and warmth to carry you through the shoulder seasons 73
$60 A fine Merino base layer at an entry-level pricepoint 72
$129
Implementing new and innovative technology, Patagonia brings us a seamless base layer that feels unbelievable 71
$135 A high-performance value, with a revolutionary design that will appeal to anyone who spends most of their time in the backcountry 70
$49 Lightweight, versatile, and affordable, this 3-season powerhouse is ready for warmer-weather adventures 70
$55
Ready for all-day activity, but be prepared with a well-layered system if you're taking this out in the cold 66
$95
This doesn’t stand out among the crowd, but silently gets the work done without a need for recognition 66
$100
This half-merino wool top offers excellent thermoregulation for a midweight, but the mix of elastane reduces dry times compared to other blended options 64
$120
Intricate design and body-mapping technology, but falls somewhat short of hitting the mark in terms of fit 60
$40
A valuable base layer with some unfortunate flaws that undermine performance 59
$50
Ounce-for-ounce, this ultra-thin base layer is by far the warmest of our lightweight selections 55
$45
Excelling in breathability, this lightweight synthetic model is made for working up a sweat in the cold 