Mild, sunny days in the alpine may not be the deepest, but they let you push further into the unknown while you wear the Marmot Windridge Long Underwear Top and keep your jacket in your pack.

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Run the Burton Midweight 3/4 Baseball Top on warm spring park days, or just as a moisture-wicking tech tee for offseason jib-building missions.

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Your raggedy cotton tee isn't going to cut it as a baselayer this winter, so reach for the stretchy Orage Men's Malik Long Underwear.

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Having good style takes focus, and having focus means that you have to work hard, and working hard causes sweat.

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Toss on the lightweight Patagonia Meni 1/2s Capilene 2 Crew when you hit the trail or skin up the mountain.

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The lightweight Patagonia Meni 1/2s Capilene 2 Zip-Neck Top uses its Gladiodor natural odor control to help manage the funk when youi 1/2re challenging yourself in the great outdoors.

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The Under Armour Men's Base 2.0 Midweight Long Underwear Top keeps you warm by quickly wicking moisture away from your body and gives you a tailored fit that's not too tight.

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Slip on the soft, moisture-wicking Under Armour EVO Coldgear Crew before you put on your ski shell and head out to a snowy battle ground.

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The Under Armour Evo ColdGear Fitted Crew has a thousand uses. Those on the fun side include ski mountaineering, climbing, and cold-weather triathlon training.

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Wear the DAKINE Men's Trigger Crew under a shell and a mid-layer and your January is covered. Wear it under your shell and you have nothing to worry about for the other four months of winter, either.

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