Icebreaker M Mer 125 Cool-Lite Speed SS Quarter Zip

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Delivered between Mon, 3.8. and Wed, 5.8.
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Product details

The M Mer 125 Cool-Lite Speed Short Sleeve Shirt from Icebreaker is a highly functional top designed specifically for intense activities in warm conditions. Made from a lightweight blend of Cool-Lite™ Eyeletmesh, which combines TENCEL™ Lyocell and merino wool, it offers excellent breathability and temperature regulation. The quarter zip allows for flexible ventilation, while the offset flatlock seams provide an improved fit and reduce friction. With reflective details for better visibility in low light conditions, this shirt is ideal for runners and sports enthusiasts who value comfort and functionality. The combination of soft merino wool fibers and sustainable TENCEL™ ensures that the shirt is not only high-performing but also environmentally friendly. The M Mer 125 Cool-Lite Speed Shirt is therefore the perfect choice for anyone who is active in nature while also being mindful of sustainability.

  • Cool-Lite™ Eyeletmesh for optimal ventilation
  • Quarter zip for variable ventilation
  • Offset flatlock seams reduce friction
  • 360° reflective details for better visibility.

Key specifications

Material composition
40% merino wool, 60% TENCEL™ Lyocell
Target group
Men
Clothing size
L
Sleeve length
Short-sleeved

General information

Item number
54675710
Manufacturer
Icebreaker
Category
Functional undershirts
Release date
14.2.2025

Colour

Colour
Black
Exact colour description
Black

Material

Upper
Merino wool
Material composition
40% merino wool, 60% TENCEL™ Lyocell

Target group

Target group
Men
Age group
Adults

Clothing properties

Clothing size
L
Sleeve length
Short-sleeved
Collar shape
Zip
Fabric properties
Breathable, Flat seams, highly breathable, Quick drying, Reflective

Voluntary climate contribution

CO₂ emissions
5.31 kg
Climate contribution
CHF 0.13

Cleaning

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

Scope of delivery

Multipack
Single pack

30-day right of return and free return shipment
24 Months Warranty (Bring-in)

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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
  • 14.Devold
    0.1 %
  • 14.GripGrab
    0.1 %
  • 14.Icebreaker
    0.1 %
  • 14.Normani
    0.1 %
  • 14.Ortovox
    0.1 %

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
  • 25.Reusch
    11.9 %
  • 25.Smartwool
    11.9 %
  • 27.Icebreaker
    13 %
  • 28.X-Bionic
    13.4 %
  • 29.Mons Royale
    14.8 %
Source: Digitec Galaxus