Longer Living Guide

Smartwool

Smartwool Women’s Classic All-Season Merino Base Layer Crew

Promising research
£79.99at eu.smartwool.com

Best for: A durable long-sleeve layer for cold runs, cycling and skiing

Price checked

Buy now at eu.smartwool.com
  • Merino wool with Core Spun nylon core
  • Flatlock seams, raglan sleeves

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Merino wool with Core Spun nylon core

Fit
Long sleeve crew
Seams
Flatlock
Material
Merino wool around a nylon core (Core Spun)

Where we checked it: eu.smartwool.com ›

Why we picked it

A long-lasting merino base layer with flatlock seams and raglan sleeves, sold through Smartwool’s UK store.

Best for

A durable long-sleeve layer for cold runs, cycling and skiing

Not for

Anyone wanting zero synthetic fibre

The details that matter.

  • • Merino wool with Core Spun nylon core
  • • Flatlock seams, raglan sleeves
  • • Temperature regulating across seasons
  • • Sale colours from £40
How strong is the research? What our grades mean ›
Strong research
Independent certification or lab data for the specific claim.
Promising research
The material is well supported, but there is no product-level testing.
Early research
Little independent research.
Mixed research
Research findings disagree.
£
Under £20
££
£20 to £79
£££
£80+

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Sources

  1. eu.smartwool.com