IO Merino Women’s Altitude Crew Neck – Slate Marle

Designed to be worn as a body tight ‘contact fit’ layer.

Drop back hem and extra length in body.

Thumb loops

True to size. Model is 6’2″ and wears size large.

170gsm lightweight

96% superfine Australian Merino

4% Elastane – for an easy all-way stretch.

MicroMerino®  Fabric.

This product is currently out of stock and unavailable.


The Women’s Altitude Crew Neck Base Layer is the perfect ‘go to’ thermal layer for just about any adventure and our all-time best seller.  It’s the perfect thermal layer for core warmth when you’re layering up, yet versatile enough to be worn on its own in milder conditions.

Tag-free, flatlock stitching and raglan sleeves help eliminate chafe and maximise comfort. The drop back hem and extra body length is designed for tucking into your outer layers. Thumb loops keep your hands warm and stop your sleeves riding up when layering.

This top is the perfect combination of performance, warmth and comfort.

Ultra Trail Australia mandatory gear approved thermals

Additional information


S, M, L, XL


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