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Men's Base Layers

  • FZN LVL 1 Shirt
    509

    FZN LVL 1 Shirt

    from $79.99

    Stay warm and dry in the harshest conditions with 509’s Active Layering System featuring Cold Armor technology. Pairing 509’s base and mid layers w...

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    from $79.99
  • Klim Inferno Jacket in Asphalt - Electric Blue Lemonade - 2021
    Klim

    Inferno Jackets

    from $129.95

    KLIM SIZING CHART We built the Inferno to be one of our most versatile and comfortable pieces that excels at mid-layer performance as well as bein...

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    from $129.95
  • FZN LVL 2 Shirt
    509

    FZN LVL 2 Shirt

    from $95.99

    MID LAYER INSULATION, THE SECRET WEAPON FOR WARMTH & COMFORT / A comfortable mid layer is built from a polyester knit with a hard face outer th...

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    from $95.99
  • FZN LVL 2 Pant
    509

    FZN LVL 2 Pant

    from $119.99

    The 509 FZN Base LVL 2 Pant offers mid layer insulation - the secret weapon for warmth and comfort. A comfortable mid layer is built from a polyest...

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    from $119.99
  • FZN LVL 1 Pant
    509

    FZN LVL 1 Pant

    from $79.99

    Stay warm and dry in the harshest conditions with 509’s Active Layering System featuring Cold Armor technology. Pairing 509’s base and mid layers w...

    View full details
    from $79.99
  • FZN Merino Party Suit
    509

    FZN Merino Party Suit

    from $329.99

    It’s always about to pop off when you’re wearing the 509 FZN Merino Party Suit. This one-piece base layer is made with warm, breathable, temperatur...

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    from $329.99
  • FZN LVL1 Party Suit
    509

    FZN LVL1 Party Suit

    from $169.99

    With the 509 FZN LVL1 Party Suit, there’ll never be a question of who’s ready for a good time. This one-piece base layer is made with a warm, hard-...

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    from $169.99
  • FZN Merino Hoodie
    509

    FZN Merino Hoodie

    from $123.99

    FZN Stands for Five Zero Nine, not Frozen. The 509 FZN Merino base layer collection makes sure of that. This Merino wool blend is high performance ...

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    from $123.99
  • FZN Merino 1/4 Zip Shirt
    509

    FZN Merino 1/4 Zip Shirt

    from $139.99

    Every successful day on the sled starts with a good base layer, and the 509 FZN Merino Quarter-Zip Shirt knows this better than most. Made with a M...

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    from $139.99
  • FZN Merino 180 Boxer Short
    509

    FZN Merino 180 Boxer Short

    $79.99

    Slide on a new level of luxury, because the 509 FZN Merino 180 Boxer Shorts have been made with a stretchy Merino/spandex blend for all-day comfort...

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    $79.99