Icebreaker Base Layers & Underwear

Current Deals & Offers

Backcountry.com Updated Oct 31, 2026

Icebreaker Merino Blend Rib Lotus Hipster Bottom - Women's Black, XL

$60.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Merino 125 Cool-Lite Sprite Racerback Bra - Women's Black, S

$70.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Merino Blend Rib Lotus Bra - Women's Black, M

$75.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Siren Thong - Women's Praline, XS

$35.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker BodyFit 150-Ultralite Anatomica Brief - Men's Jet Heather2, S

$45.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Merino 125 Cool-Lite Sprite Hipster Underwear - Women's Gritstone Heather, XS

$50.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Anatomica Boxer + Fly - Men's Jet Heather, L

$50.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Anatomica Boxers - Men's Midnight Navy2, XL

$50.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Siren Bra - Women's Black, XS

$55.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Merino 125 Cool-Lite Anatomica Boxer - Men's Black, L

$55.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Siren Cami - Women's Undyed, L

$70.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Siren Hipkini Underwear - Women's Praline, XL

$40.00

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CampSaver.com Updated Oct 31, 2026

Icebreaker Merino 200 Oasis SS Crewe - Men's Midnight Navy Extra Large

$110.00

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CampSaver.com Updated Oct 31, 2026

67% OFF

Icebreaker Merino Blend 125 Cool-Lite Sprite Racerback Bra - Women's Olive Extra Small

$21.49 $65.00

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CampSaver.com Updated Oct 31, 2026

Icebreaker Men Merino 200 Oasis LS Half Zip Black XL

$130.00

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CampSaver.com Updated Oct 31, 2026

18% OFF

Icebreaker DEMO Icebreaker Men Merino 200 Oasis LS Half Zip Black XL

$94.39 $115.00

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REI.com Updated Oct 31, 2026

Icebreaker Women's Siren Sweetheart Long Underwear Top Blue S

$90.00

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REI.com Updated Oct 31, 2026

Icebreaker Men's 200 Oasis Crewe Base Layer Top Red M

$110.00

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REI.com Updated Oct 31, 2026

Icebreaker Women's Siren Base Layer Tank Top White M

$75.00

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REI.com Updated Oct 31, 2026

Icebreaker Men's 150 Anatomica Crewe Base Layer Top Undyed XXL

$80.00

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Optics Planet Updated Oct 31, 2026

Icebreaker Merino 200 Oasis LS Crewe - Men's Gritstone Heather Small

$120.00

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Optics Planet Updated Oct 31, 2026

Icebreaker Merino 200 Oasis SS Crewe - Men's Midnight Navy Extra Large

$110.00

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Optics Planet Updated Oct 31, 2026

67% OFF

Icebreaker Merino Blend 125 Cool-Lite Sprite Racerback Bra - Women's Olive Extra Small

$21.49 $65.00

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Optics Planet Updated Oct 31, 2026

Icebreaker Men Merino 200 Oasis LS Half Zip Black XL

$130.00

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Optics Planet Updated Oct 31, 2026

18% OFF

Icebreaker DEMO Icebreaker Men Merino 200 Oasis LS Half Zip Black XL

$94.39 $115.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Merino Seamless Active Bra - Women's Graphite, XS

$125.00

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CampSaver.com Updated Oct 31, 2026

Icebreaker Siren Padded Bra - Women's Black Extra Large

$60.00

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CampSaver.com Updated Oct 31, 2026

Icebreaker Merino Siren Thong - Womens Black Extra Small

$35.00

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Backcountry.com Updated Oct 31, 2026

40% OFF

Icebreaker Merino Blend 200 RealFleece Descender LS 1/2-Zip Top - Men's Jet Heather/Black/Cb, XL

$96.00 $160.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker 175 Everyday SS Crew - Men's Black, XL

$85.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Merino Queens Clasp Bra - Women's Porcini, XS

$75.00

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CampSaver.com Updated Oct 31, 2026

20% OFF

Icebreaker Merino Blend 125 Cool-Lite Sprite Hipster - Women's Dark Loden Large

$40.00 $50.00

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Optics Planet Updated Oct 31, 2026

Icebreaker Merino Blend 125 Cool-Lite Sprite Hipster - Women's Gritstone Heather Small

$50.00

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Steep and Cheap Updated Oct 28, 2026

50% OFF

Icebreaker Men's Merino Blend 200 RealFleece Descender LS 1/2-Zip Top in Arctic / Atlantis / Cb - Size: Small

$80.00 $160.00

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Steep and Cheap Updated Oct 28, 2026

50% OFF

Icebreaker Men's Merino Blend 200 RealFleece Descender LS 1/2-Zip Top in Arctic / Atlantis / Cb - Size: Medium

$80.00 $160.00

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Steep and Cheap Updated Oct 28, 2026

50% OFF

Icebreaker Men's Merino Blend 200 RealFleece Descender LS 1/2-Zip Top in Arctic / Atlantis / Cb - Size: Large

$80.00 $160.00

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Steep and Cheap Updated Oct 28, 2026

50% OFF

Icebreaker Men's Merino Blend 200 RealFleece Descender LS 1/2-Zip Top in Arctic / Atlantis / Cb - Size: XL

$80.00 $160.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Merino Blend 125 ZoneKnit Boxer - Men's Black, L

$65.00

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SteepandCheap.com Updated Oct 31, 2026

50% OFF

Icebreaker Women's Merino 200 ZoneKnit Long-Sleeve Crew Baselayer Top in Summit / Blush / Cb - Size: XL

$75.00 $150.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker 175 Everyday Boxer with Fly - Men's Black, S

$55.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Merino 150 Anatomica Moss Bloom Boxer - Men's Midnight Navy/Aop, XL

$55.00

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Backcountry.com Updated Oct 31, 2026

Icebreaker Bodyfit 150-Ultralight Anatomica Long Boxer - Men's Black2, S

$55.00

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SteepandCheap.com Updated Oct 31, 2026

50% OFF

Icebreaker Men's Merino Blend 200 Shifter II Pant in Black - Size: XL

$75.00 $150.00

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Steep and Cheap Updated Oct 28, 2026

40% OFF

Icebreaker Women's Merino 260 Tech Vertex LS 1/2-Zip Top GRX1 in Black / Snow / J - Size: XS

$90.00 $150.00

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Steep and Cheap Updated Oct 28, 2026

50% OFF

Icebreaker Women's Merino 260 Tech Vertex LS 1/2-Zip Top GRX1 in Java - Size: Small

$75.00 $150.00

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Steep and Cheap Updated Oct 28, 2026

40% OFF

Icebreaker Men's Merino Blend 200 RealFleece Descender LS 1/2-Zip Top in Java / Fervid / Cb - Size: XL

$96.00 $160.00

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Steep and Cheap Updated Oct 28, 2026

30% OFF

Icebreaker Women's Merino Blend 260 ZoneKnit Seamless Crewe - Size: XS

$119.00 $170.00

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Steep and Cheap Updated Oct 28, 2026

50% OFF

Icebreaker Women's Merino Blend 75 Cool-Lite Featherlight Crewe in Porcini / AOP - Size: Medium

$60.00 $120.00

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Steep and Cheap Updated Oct 28, 2026

40% OFF

Icebreaker Women's Merino 260 Tech Vertex LS 1/2-Zip Top GRX1 in Black / Snow / J - Size: Small

$90.00 $150.00

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Steep and Cheap Updated Oct 28, 2026

40% OFF

Icebreaker Women's Merino 260 Tech 1/2-Zip Top in Atlantis - Size: XS

$81.00 $135.00

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Steep and Cheap Updated Oct 28, 2026

40% OFF

Icebreaker Men's Merino Blend 300 RealFleece Descender LS Zip Top in Peridot / Seaglass / Cb - Size: XL

$138.00 $230.00

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Steep and Cheap Updated Oct 28, 2026

40% OFF

Icebreaker Men's Merino Blend 300 RealFleece Descender LS Zip Top in Peridot / Seaglass / Cb - Size: Large

$138.00 $230.00

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Steep and Cheap Updated Oct 28, 2026

40% OFF

Icebreaker Men's Merino Blend 300 RealFleece Descender LS Zip Top in Peridot / Seaglass / Cb - Size: Medium

$138.00 $230.00

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Steep and Cheap Updated Oct 28, 2026

50% OFF

Icebreaker Women's Merino 260 Tech Vertex LS 1/2-Zip Top GRX1 in Java - Size: XS

$75.00 $150.00

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Steep and Cheap Updated Oct 28, 2026

30% OFF

Icebreaker Women's Merino Blend 260 ZoneKnit Seamless Crewe - Size: Medium

$119.00 $170.00

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Steep and Cheap Updated Oct 13, 2026

25% OFF

Icebreaker Women's Merino Blend 260 ZoneKnit Seamless Crewe - Size: Small

$127.50 $170.00

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Steep and Cheap Updated Oct 28, 2026

40% OFF

Icebreaker Men's Merino Blend 200 RealFleece Descender LS 1/2-Zip Top in Java / Fervid / Cb - Size: Small

$96.00 $160.00

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Steep and Cheap Updated Oct 28, 2026

40% OFF

Icebreaker Men's Merino Blend 200 RealFleece Descender LS 1/2-Zip Top in Java / Fervid / Cb - Size: Large

$96.00 $160.00

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Steep and Cheap Updated Oct 28, 2026

40% OFF

Icebreaker Men's Merino Blend 200 RealFleece Descender LS 1/2-Zip Top in Java / Fervid / Cb - Size: Medium

$96.00 $160.00

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Steep and Cheap Updated Oct 13, 2026

25% OFF

Icebreaker Women's Merino 260 Tech 1/2-Zip Top in Atlantis - Size: Small

$101.25 $135.00

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Steep and Cheap Updated Oct 28, 2026

35% OFF

Icebreaker Men's 200 Oasis LS Crew Top in Atlantis - Size: Small

$68.25 $105.00

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Steep and Cheap Updated Oct 28, 2026

35% OFF

Icebreaker Men's 200 Oasis SS Crew Top in Flint Blue - Size: Large

$78.00 $120.00

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Steep and Cheap Updated Oct 28, 2026

35% OFF

Icebreaker Men's 200 Oasis SS Crew Top in Flint Blue - Size: Medium

$78.00 $120.00

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Steep and Cheap Updated Oct 28, 2026

35% OFF

Icebreaker Men's 200 Oasis LS Crew Top in Atlantis - Size: XL

$68.25 $105.00

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Steep and Cheap Updated Oct 28, 2026

35% OFF

Icebreaker Men's 200 Oasis SS Crew Top in Flint Blue - Size: Small

$78.00 $120.00

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Steep and Cheap Updated Oct 28, 2026

35% OFF

Icebreaker Men's 200 Oasis SS Crew Top in Flint Blue - Size: XL

$78.00 $120.00

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Steep and Cheap Updated Oct 28, 2026

50% OFF

Icebreaker Men's 200 Oasis LS Crew Top in Atlantis - Size: XXL

$60.00 $120.00

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REI.com Updated Oct 31, 2026

Icebreaker Men's Merino 200 Oasis+ Thermal Suit Black XL

$280.00

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SteepandCheap.com Updated Oct 31, 2026

50% OFF

Icebreaker Women's Merino 125 Cool-Lite Sprite Racerback Bra in Dk Loden - Size: XS

$35.00 $70.00

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