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Icebreaker Merino Wool 260 Base Layer Women Tech Top Long Sleeve Crewe Winter Outdoor Camping Trekking HikingIcebreaker Base Layer Women's (IB 104037) Merino Wool 260 Tech Top Long Sleeve Crewe - Winter Outdoor Camping Trekking Hiking
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  • Pickup available at Mandarin Gallery (X-Boundaries)

    Usually ready in 2-4 days

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  • 7 day exchange (except for base layers and underwear)

  • 4-6 day trackable shipping

  • Packed with care

  • Minimal use of plastic

A thicker version of Icebreaker best-selling Oasis that’s ideal for skiing, hiking in cold conditions, and comfortable, everyday Winter Layering, the Tech Top Long Sleeve Crewe features the soft, breathable and naturally odor-resistant benefits of 100% merino wool. Offset shoulder seams prevent friction while wearing a pack, while forward-set side seams and flatlock stitching eliminate chafing when you’re on the move. 

Features & details


  • 100% Merino - Soft merino fibers that regulates body temperature in all weather conditions and resists odors
  • Gusseted underarms for mobility and comfort
  • Offset shoulder seams to prevent friction
  • Flatlock seams to prevent friction
  • Backward set side seams to prevent friction
  • Layer Base Layers
  • Product weight Large = 270 g / 9.52 oz
  • Style # 104037
  • Color: Black, Wild Rose
# Actual Colors May Vary

    Fabric & care
    Fabric content 100% Merino Wool
    Fabric weight 260 Midweight

    CARE: Machine wash with similar colors. Do not use softeners, do not use bleach. Dries fast in the shade, do not tumble dry. Do not dry clean. Exact instructions on the care label. 

    Fit & sizing

    What's your size? See our Size Guide
    Slim Fit - A snug, close-to-body fit for low-bulk layering.

    What is Merino?



    Merino is super lightweight, soft, non-itchy, non-clammy, warm in the cold and cool in the heat, and has a miraculous ability to resist odor. Because it was made in the mountains rather than in a petrochemical laboratory. Merino wool fiber is naturally renewable, recyclable and biodegradable*.

    What’s unique about the Tech base layer?

    The heavier weight version of Icebreaker best-selling Oasis, Icebreaker Tech base layers are built for cold climate activities. Made from 100% merino, the 260gm jersey fabric is designed to keep you even warmer than Icebreaker Oasis base layers. Enjoy the natural benefits of merino, including odour resistance and temperature regulation so even when it’s keeping you warm, your body can breathe. The Tech is an essential part of your winter layering system.
    Sizing Charts (Inches)
    Arm Length3434-34.534.53535.536

    What's your size? 

    What is MerinoLoft™?

    Changing weather or changing activities. Lightweight, breathable and moisture-wicking hybrid MerinoLoft™ designs give you the degree of adaptability that will keep you comfortable in every adventure.

    Durable water repellency
    Natural warmth from lofted merino
    High warmth to weight ratio

    What is Merino?

    Free of plastic microfibres and petrochemical-based synthetics, this product is made with 100% pure merino fibres that were hand-picked for strength and softness to create a luxurious fabric that naturally breathes and resists odours. Merino wool fibre is naturally renewable, recyclable and biodegradable under certain conditions.

    Naturally odor-resistant
    No-itch comfort
    Regulates body temperature
    What makes an Oasis product?

    Icebreaker Oasis base layers are what Icebreaker famous for. These best-sellers are designed to contour the body and will easily flex with you, allowing maximum movement, whatever the activity. Not too heavy, not too light, the Oasis is made from 100% merino midweight jersey, making them your go to base layers for year-round layering and everyday comfort. Enjoy the natural benefits of merino, including odour resistance and temperature regulation, keeping you warm whilst not overheating.

    #Actual Colors may vary

    Care Refer to Description tab for care and wash

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