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Base layers

Showing 153 results
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    Smartwool

    Active Long Sleeve - Women's

    $109.95
    4.7

    MEC

    T2 Merino Base Layer Bottoms - Men's

    $129.95
    5
    Member Price Available
  3. NEW

    Smartwool

    Classic Thermal Merino Base Layer 1/4 Zip - Women's

    $159.95
    4.7
  4. NEW

    Smartwool

    Classic Thermal Merino Base Layer Crew - Men's

    $149.95
    4.8

    Smartwool

    Classic Thermal Merino Base Layer Bottom - Women's

    $149.95
    4.5

    Mons Royale

    Bella Merino Air-Con Long Sleeve Hood - Women's

    $159.95
    4
  7. NEW

    Mons Royale

    Cascade Merino Flex Long Sleeve - Men's

    $159.95
    (0)

    Smartwool

    Classic Thermal Merino Base Layer Bottoms - Men's

    $149.95
    4.8
  10. NEW

    Janji

    Repeat Merino Long Sleeve - Women's

    $136.95
    5

    MEC

    T2 Merino Base Layer Long Sleeve Top - Men's

    $129.95
    (0)
    Member Price Available

    MEC

    T2 Merino Base Layer Bottoms - Women's

    $129.95
    (0)
    Member Price Available
  13. NEW

    Salomon

    SENSE Merino LS T-Shirt - Women's

    $124.95
    (0)

    icebreaker

    Merino 200 Oasis LS Crewe Thermal Top - Men's

    $144.95
    4.7
  15. NEW

    Smartwool

    Classic Thermal Merino Base Layer 1/4 Zip - Men's

    $159.95
    4.9
  16. Exclusive to MEC

    Odlo

    Seamless Performance Wool Hoodie - Women's

    $199.95
    (0)
  17. NEWExclusive to MEC

    Odlo

    Seamless Performance Wool Long Sleeve Top - Men's

    $179.95
    (0)
  18. NEWExclusive to MEC

    Odlo

    Seamless Performance Wool Long Sleeve Top - Women's

    $179.95
    (0)

    Mons Royale

    Temple Merino Air-Con Long Sleeve Hood - Men's

    $159.95
    (0)
  21. NEWExclusive to MEC

    Odlo

    Performance Warm Blackcomb Half Zip - Men's

    $139.95
    (0)
  22. NEW

    Janji

    Rover Merino Hoodie - Women's

    $189.95
    (0)

    MEC

    T2 Merino Base Layer Long Sleeve Top - Women's

    $129.95
    (0)
    Member Price Available

    Smartwool

    Classic Thermal Merino Base Layer Crew - Women's

    $149.95
    4.8
  25. NEWTop seller

    Arc'teryx

    Rho Crew - Women's

    $130.00
    4.5

    Smartwool

    Intraknit Thermal Merino Base Layer Crew - Men's

    $179.95
    4.3
  30. NEW

    MEC

    T3 Merino Base Layer Long Sleeve Top - Women's

    $139.95
    5
    Member Price Available
  31. NEW

    MEC

    T3 Merino Base Layer Bottoms - Women's

    $139.95
    (0)
    Member Price Available
  32. NEW

    Fjallraven

    Abisko Lite Fleece Half Zip - Women's

    $164.95
    4.1

    Kari Traa

    Smekker Half-Zip Baselayer Top - Women's

    $169.95
    (0)
  34. NEW

    Kari Traa

    Smekker High Waist Pants - Women's

    $159.95
    5
  35. NEW

    Kari Traa

    Rose Long Sleeve 2.0 - Women's

    $149.95
    (0)

    Smartwool

    Classic Thermal Merino Base Layer 3/4 Bottom - Men's

    $134.95
    4.8
  38. NEW

    MEC

    T3 Merino Base Layer Long Sleeve Top - Men's

    $139.95
    (0)
    Member Price Available
  39. NEW

    Kari Traa

    Anna High Waist Pants - Women's

    $129.95
    (0)
  40. NEW

    Janji

    Waffleloft Long Sleeve - Women's

    $136.95
    (0)
  41. NEW

    MEC

    T3 Merino Base Layer Bottoms - Men's

    $139.95
    (0)
    Member Price Available
  42. NEWExclusive to MEC

    Odlo

    Fundamentals Performance Warm Set - Women's

    $179.95
    (0)
  44. Exclusive to MEC

    Odlo

    Seamless Performance Wool Bottom - Women's

    $179.95
    (0)
  45. NEW

    Kari Traa

    Rose High Waist Pants - Women's

    $149.95
    3.2

    Kari Traa

    Smekker Long Sleeve Crew - Women's

    $159.95
    4.3
  47. NEWExclusive to MEC

    Odlo

    Performance Warm Long Sleeve Top - Women's

    $119.95
    (0)

    Vuori

    Chilled Out Legging - Women's

    $105.57$175.95
    40% off
    (0)
  49. NEW

    Mountain Hardwear

    AirMesh Long Sleeve Hoodie - Women's

    $129.95
    5

    Fjallraven

    Abisko Tights - Women's

    $169.95
    3.9
  52. NEWExclusive to MEC

    Odlo

    Seamless Performance Wool Bottom - Men's

    $179.95
    (0)

    Craft

    Active Extreme X Wind Long Sleeve - Men's

    $114.95
    (0)

Compare products (0)

Base layers for ultimate winter warmth

Base layers are the unsung heroes of outdoor adventure. Whether you’re strolling through local trails, staying cozy at home or carving turns on the slopes, base layers provide the foundation for warmth and comfort. Essential items like thermal leggings, tops, and socks ensure that you stay insulated and dry throughout the day, no matter the conditions. MEC hosts entire collections of warm base layers in-store or online, made by beloved brands like MEC Label, Smartwool, KOMBI and more.

Merino Wool vs. Synthetic Base Layers

Knowing how to choose base layers depends on your activity level and environment. Merino wool is loved for its soft texture, breathability and natural antimicrobial properties. It’s a perfect choice for activities with lower sweat levels, such as camping trips, chill hikes or downhill skiing. Merino wool regulates body temperature and resists odor, making it a reliable option.

Synthetic base layers, often made from high-performance polyester or polypropylene, excel in durability and moisture-wicking capabilities. Lightweight and quick-drying, these layers are budget-friendly and ideal for high-intensity activities like trail running, mountain biking and cross-country skiing. For those who push their limits, synthetic layers keep sweat at bay and ensure consistent comfort.

If you’re looking for the best of both worlds, hybrid merino-synthetic base layers blend the temperature regulation of wool with the durability and performance of synthetics. These versatile options are a great choice for adventurers with multiple activities on the go.

Building a layering system

Your base layer sets the stage, but it works best as part of a complete layering system. After selecting your base layer, add a mid-layer for insulation and an outer layer for protection. Mid-layers, such as fleece or insulated jackets, trap body heat while allowing moisture to escape. Outer layers, often waterproof or windproof, shield you from the elements, ensuring you’re ready for rain, snow, or brisk winds. For ever-changing weather conditions or extended adventures, mastering the art of layering is key. A well-chosen base layer not only enhances your outdoor comfort but also boosts performance by regulating temperature and managing moisture effectively. Any questions? Feel free to drop by your local MEC to meet our expert team of staffers who will be more than happy to lend their own advice.