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Built to swim, designed to live in.

Embrace cooler temperatures with our UintaBlend fabric designed to provide all-day comfort. Paired with our technical grid fleece, this comfy brushed polyester spandex blend ensures you stay warm and dry. Our heat mapping technology focuses warmth where you need it most, making it perfect for skiing or hiking. Trust the Nani base layer to keep you cozy and comfortable in any cold-weather adventure.

Women Know what Women Want

4.8
Rated 4.8 out of 5 stars
Based on 6 reviews
6 reviews
  • Rated 5 out of 5 stars
    3/24/26
    So supportive and comfortable!

    I bought these because they were on sale and cute! I bought the top and bottoms. They are the best technical base layer I've owned. They are comfortable, warm, thin, work well under mid-layers or on their own. Double for winter running or yoga. They just feel great. I am 5'8" and weight 170. I bought a L and they are perfect. The sleeves fit my long arms. I want them all now.

    L Profile picture for Laura
    Laura
    Verified Reviewer
  • Rated 5 out of 5 stars
    4/1/25
    Love the New Thermals!

    I absolutely love Nani’s new thermals, both top and bottom. I now have two sets, and they are perfect for hiking, biking, pickleball and golf. Very comfortable, warm and stylish.

    JV
    Julia V.
    Flag of United States
    Verified Buyer
  • Rated 4 out of 5 stars
    1/25/25
    I absolutely LOVE my base

    I absolutely LOVE my base layers. However, the thumb hole was sewn on the pinky side of the left arm, so I can't use it properly. I still love the base layers and am telling everyone about them, but I am sad to not be able to use the thumb hole.

    NW
    Natalie W.
    Verified Buyer
  • Rated 5 out of 5 stars
    11/18/24
    I love the softness and

    I love the softness and stretch of the fabric.

    NC
    Nani C.
  • Rated 5 out of 5 stars
    6/11/24
    10-Oct

    My favorite find this winter! I love the mix of the grid fleece and then the brushed poly spandex both are super comfortable and keep me warm.

    S
    Sierra
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