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Build your kit from the inside out.
What do you use most on a month-long expedition? You probably think about your tent, sleeping bag, kitchen gear, shells, puffy jackets, and fleece midlayers, but odds are good that you're wearing your baselayers 24 hours a day, and nothing is more important than that first insulating, moisture-wicking layer. The North Face's totally redesigned Summit Series has you covered from head to toe and from inside to out, starting with the new Summit L1 Men's Baselayer Top.
Keeping you dry is a baselayer's most important job, and the L1's blend of nylon and polyester pulls moisture away from your skin before you even know it's there, so you don't have to worry about sweat building up and getting cold when you stop moving. It's cut to stay close to your skin for improved moisture management, and The North Face engineered it with articulated patterning for easy movement when you're traveling through the alpine or figuring out big-wall beta. Low-bulk Merrow stitching won't chafe your skin, and the 1/2-length zipper allows for easy ventilation and is backed by a draft-blocking flap to keep cold air at bay.
- A performance baselayer for alpine ascents and expeditions
- Stretch fabric wicks moisture and is highly breathable
- 1/4-length front zip for quick ventilation
- Merrow stitching reduces chafing while hiking or climbing
- Slim fit reduces bulk for easy layering under midlayers