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Baselayer Tops

138 Products

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  • A year-round, next-to-skin baselayer made with 100% Merino Wool; perfect for cool days when summer starts to turn into fall, and a heat-venting zipper keeps you cool when you warm up.

    As Low as:
    $51.00
  • Patagonia's most versatile synthetic baselayer keeps you dry and warm in cool to cold conditions - with a 1/4 zipper for ventilation.

    As Low as:
    $29.50
  • Patagonia's most breathable synthetic baselayer keeps you dry and comfortable in cool conditions - with a 1/4 zipper for ventilation.

    Our Price:
    $29.40
  • Great as a baselayer in cooler conditions, or by itself when it heats up. Smartwool's Microweight Crew is a must have for any outdoorsman.

    Our Price:
    $52.50
  • Smartwool's warmest baselayer just got a little more refined with an improved fit, chaf-free seam construction and panels that offer more comfort with a pack. The perfect baslayer crew just got even better.

    As Low as:
    $71.25
  • The Midweight Zip T is a perfect baselayer for cold weather adventures. Made of outstanding merino wool, you're going to love the moisture wicking properties and antimicrobial fibers. Soft on skin, you're dream baselayer has finally arrived.

    As Low as:
    $78.75
  • The simple, yet technically advanced, Men's Peachskins Crewneck is extremely light and comfy on the body. With moisture wicking properties to pull sweat away from the core, you'll love the dry cozy feel of this crewneck baselayer.

    Our Price:
    $31.50
  • Mountain Hardwear's classic wicking tee shirt is re-engineered and re-designed to provide even more comfort and wicking power.

    Our Price:
    $35.00
  • Thin yet effective, Columbia's midweight baselayer is perfect for skiing or cold-weather hiking. A 1/2 zipper allows for easy venting, helping you avoid the hassle of shedding an entire layer.

    As Low as:
    $36.00
  • Designed with the team player in mind, this short sleeve T-shirt uses UA Tech fabric to provide cool, dry performance and superior comfort. On-field or off, get the performance you demand when you're at the height of activity.

    Our Price:
    $22.99
  • The Oasis Long Sleeve Crewe is an active base layer made from Bodyfit 200 merino fabric to keep your body at the perfect temperature when you're hiking or exploring the outdoors. Complete with offset shoulder seams to prevent chafing.

    Our Price:
    $54.00
  • This latest UA fabric wears like a second skin so you get the same powerful compression, plus extreme comfort for all-day wear. Designed to pull moisture away from the core, it ensures that you'll stay cool and comfortable.

    Our Price:
    $24.99
  • This Zip T features a 14" front zipper and a drop tail bottom hem for increased coverage and easier tuckability. Contoured sleeve cuff keeps sleeves in place while flatlock seams eliminate chafing.

    As Low as:
    $66.50
  • A network of tiny chambers within its fabric spreads moisture over a greater surface area for faster evaporation and a smoother, drier feel than other wicking systems. Wick.Q EVAP makes this UPF 50 hiking/trekking shirt an elite performer.

    Our Price:
    $50.00
  • Delivered with a looser-stretch for additional comfort in cold-weather activities, giving core-warming performance you demand. The dual-layer fabric will wick away moisture to provide superior warmth without additional weight.

    Our Price:
    $49.99
  • Offering warmth as an insulating layer under a shell during aerobic, cold weather activity, the clean styling of the Radiant HD Half Zip Hoody means you can also wear it around town.

    Our Price:
    $72.00
  • Stay comfortable and dry in a wide range of conditions in Patagonia's most versatile baselayer. Light and comfortable, the Cap 3 Crew is ideal for everything from backpacking to winter sports.

    As Low as:
    $38.50
  • Built for warmth and movement in the deep cold, this toasty baselayer features a performance blend of stretchy waffle fabric with Omni-Wick stretch fabric.

    Our Price:
    $45.50
  • Designed with the team player in mind, this long sleeve T-shirt uses UA Tech fabric to provide cool, dry performance and superior comfort. On-field or off, get the performance you demand when you're at the height of activity.

    Our Price:
    $27.99
  • A best-selling baselayer designed to keep you warm and dry when the temperature really plummets.

    Our Price:
    $90.00
  • The highly versatile Drive is made with 200g/m merino fabric plus nanotechnology to keep you dry while you're running or working out. A zip collared neck lets you control your temperature so you stay comfortable throughout activity.

    Our Price:
    $84.00
  • Stay warm and dry in cool to cold conditions in our warmest and most breathable baselayer.

    Our Price:
    $99.00
  • Lightweight, moisture-wicking, quick-drying, short-sleeve shirt constructed using Phasic technology textile; ideal for a wide range of high-output activities.

    Our Price:
    $65.00
  • SL520 - Designed to be worn for cool weather aerobic activities, this is one of the hardest working baselayer tops on the market offering the unique combination of Merino breathability with a windproof 1CFM rating.

    Our Price:
    $84.00
See Trekt Reviews at Bizrate.com