Icebreaker M Mer 125 ZoneKnit SS Crewe

XL
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Product details

The M Mer 125 ZoneKnit SS Crewe Functional Shirt from Icebreaker is a highly advanced base layer designed specifically for intense activities. Made from a lightweight and breathable Cool-Lite™ material blend, it combines the benefits of merino wool with TENCEL™ Lyocell to ensure a comfortable wearing experience. The innovative ZoneKnit™ technology provides strategically placed eyelet mesh panels that optimize ventilation where it is needed most. The gusset construction and raglan sleeves offer unrestricted freedom of movement, while the flatlock seams minimize friction and provide a soft feel against the skin. Thumbholes prevent the sleeves from slipping and contribute to the shirt's functionality. This shirt is not only suitable for outdoor activities but also a sustainable choice, as it relies on natural materials and thus offers an eco-friendly alternative to synthetic fabrics.

  • ZoneKnit™ technology for optimal ventilation
  • Cool-Lite™ material for lightweight breathability
  • Gusset construction for maximum freedom of movement
  • Flatlock seams reduce skin irritation
  • Thumbholes prevent the sleeves from slipping.

Key specifications

Material composition
40 % merino wool
Target group
Men
Clothing size
XL
Sleeve length
Short-sleeved
Season
All-season
Fabric properties
Breathable, Flat seams, Lightweight, Quick drying, Temperature regulating

General information

Item number
54675725
Manufacturer
Icebreaker
Category
Functional undershirts
Release date
14.2.2025

Colour

Colour
Black
Exact colour description
Black

Material

Upper
Lyocell, Merino wool
Material composition
40 % merino wool

Target group

Target group
Men
Age group
Adults

Clothing properties

Clothing size
XL
Sleeve length
Short-sleeved
Collar shape
Round neck
Sport
Outdoor
Season
All-season
Fabric properties
Breathable, Flat seams, Lightweight, Quick drying, Temperature regulating
Pattern
Unicoloured

Cleaning

Washing instructions
Do not bleach, Do not dry clean, Do not tumble dry, Iron at low temperature

Scope of delivery

Multipack
Single pack

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Functional undershirts» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 16.Devold
    0.1 %
  • 16.GripGrab
    0.1 %
  • 16.Icebreaker
    0.1 %
  • 16.Ortovox
    0.1 %
  • 21.Lenz
    0.2 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Icebreaker
    Not enough data
  • 1.Odlo
    0 days
  • Castelli
    Not enough data
  • Craft
    Not enough data
  • Devold
    Not enough data

Return rate

How often is a product of this brand in the «Functional undershirts» category returned?

Source: Digitec Galaxus
  • 27.Salewa
    12 %
  • 28.Super Natural
    12.4 %
  • 29.Icebreaker
    13.2 %
  • 30.Ortovox
    14.1 %
  • 31.X-Bionic
    14.6 %
Source: Digitec Galaxus