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NEW CUSTOMERS  - SAVE 15% - USE CODE: NEW2TREKT. EXCLUDES SELECT BRANDS/ITEMS.

Women's Baselayers & Underwear

175 Products

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  • Smartwool's feminine-looking long-sleeve lightweight baselayer is extremely comfortable on the skin. With more opening at the neck than the Microweight Crew, the V-Neck is perfect by itself on a mild day.

    Our Price:
    $52.50
  • Smartwool's Lightweight Bottoms feature seam construction throughout the legs to offer a better fit and a performance look. Perfect for higher aerobic activities in colder weather.

    As Low as:
    $59.50
  • Smartwool's Midweight Crew is essential for any cold weather event you may come up against. Casual or extreme, this crew is a must if you intend to stay warm. Made of 100% Merino wool, you're going to be extra comfy in the cold.

    As Low as:
    $66.50
  • Smartwool's best selling, and warmest, baselayer hits a home run with chafe-free seams and 100% Merino wool Fabric. Extremely warm and soft on the skin, you're going to love the Midweight Zip T on and off the mountain.

    As Low as:
    $73.50
  • Made from Smartwool's warmest baselayer fabric, these bottoms will keep you warm even on the coldest chairlifts. Features a covered elastic waistband, flatlock seam construction and a midrise waist to add for excellent comfort.

    As Low as:
    $66.50
  • Thin yet effective, Columbia's midweight baselayer is perfect for skiing or cold-weather hiking.

    Our Price:
    $22.00
  • Made with 100% Merino Wool, the Woolies 150 is extremely soft on skin. Wicking properties pull sweat away from the core to provide for more comfort. Excellent as a baselayer, it can also be used as a standlone on more moderate days.

    Our Price:
    $65.88
  • Patagonia's most versatile synthetic baselayer keeps you dry and warm in cool to cold conditions.

    Our Price:
    $29.40
  • Made of 100% Merino Wool, the Siren Short Sleeve pulls moisture away from the body and is naturally odor resistant. Soft against the skin, wear the Siren year around for hiking, backpacking and travel adventures alike.

    Our Price:
    $30.00
  • The Bolt is a super soft against skin baselayer. Made of 96% Merino, it pulls moisture away from the body to ensure a comfortable fit. Perfect for trail runs, wear the Bolt for backpacking treks and workouts at the gym.

    Our Price:
    $41.97
  • An instant classic, this all-purpose seamless bra supports a variety of sizes and is made with wicking recycled polyester for exceptional moisture management. Wear it for everything from trail running to climbing to day hikes.

    As Low as:
    $21.00
  • The barely Everyday Bra is sure to hold you in place when you're heading through distant lands or hitting the backcountry with friends and family. This comfortable racerback bra is made of a soft, quick-drying recycled polyester/spandex blend.

    Our Price:
    $45.00
  • Ibex's heaviest baselayer is cut from 18.5 micron, 220 g/m2 Merino wool. You can rock this all day baselayer on the coldest adventures of the year and close out the evening at the lodge, all while wearing the same base.

    Our Price:
    $77.00
  • Who says baselayers have to be boring? Hot Chillys' best selling baselayer fabric, the Micro-Elite, has moisture wicking and antimicrobial properties to help keep you comfortable throughout your adventures.

    Our Price:
    $54.00
  • Like an extra layer of skin, the Microweight Tee moves sweat and moisture away from the body on those hot, muggy trail adventures. With great breathability and light weight, take the Microweight with you on hot, warm treks.

    As Low as:
    $35.00
  • The MerinoMax full zip kicks cold weather to the curb with dense double jersey knit, pop-out hand mitts, and a draft flap. A zip-shut sleeve pocket keeps tunes at the ready.

    Our Price:
    $162.00
  • A bestselling, versatile, stylish Merino Wool top for all activities. Designed to be ultra soft and comfortable, Icebreaker's Bodyfit 200 is an essential baselayer for those serious about staying warm in the cold.

    Our Price:
    $40.00
  • Smartwool constructed this tank's fit to be longer in the body, with a shaped bottom opening that's higher on the sides, and lower in front and back. An updated shoulder construction fits over racer back-styled sports bras.

    Our Price:
    $42.00
  • The stylish design sets this baselayer aside from all the other boring, bland colors out there. Take the Women's peach Sub Print Crewneck on your next cold ski/snowboarding trip.

    Our Price:
    $36.00
  • The Express Leggings is a technical baselayer made from stretchy, midweight 260gm merino for cold weather sports. With a trim, athletic fit, these superbly comfortable leggings have a gusset for freedom of movement and flatlock stitching.

    Our Price:
    $66.00
  • Patagonia's stretchiest synthetic baselayer keeps you dry and cool in warm conditions, with 50-UPF sun protection.

    As Low as:
    $17.50
  • A cold-weather, next-to-skin baselayer with a venting zipper, made with 100% Merino Wool; ideal for layering or wearing on its own.

    As Low as:
    $63.00
  • The retro styling of this fixed-triangle beauty just says “Brigitte Bardot”!

    SAVE 20%

    Lole Cebu Top

    Our Price:
    $40.00
  • Made from Smartwool's warmest baselayer fabric, these bottoms will keep you warm in the coldest conditions. Made specifically to wear with ski boots, they also feature a covered elastic waistband, flatlock seam construction and a midrise waist.

    As Low as:
    $50.00
See Trekt Reviews at Bizrate.com