Mountain Warehouse Merino Women’s Long-Sleeve Thermal Baselayer Top

Mountain Warehouse Merino women’s thermal baselayer top is a lightweight, long-sleeve layer with a half-zip neck. The listing describes merino wool as breathable and moisture-wicking, while customer feedback highlights comfort and warmth for cold-weather layering.

At a glance

Half zip opens at the neck for ventilation and comfort, according to the listing.
Lightweight design is described as suitable for travel and walking without added bulk.
The listing claims the merino wool wicks moisture and is breathable.
Care instructions specify a 30-degree wool cycle.

Price

$61.79Save 18%

Reference price: ~~$75.37~~

Price checked: 13 Nov 2026

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Pros and cons

Pros

A lightweight profile and slim fit described by customers can make it practical as an under-layer.
Customer feedback reports warmth, comfort and non-itchy wear, useful considerations for cold-weather layering.

Technical specifications

5 specifications

Identity
Brand	Mountain Warehouse
Department	Women's

Design and care
Sleeve style	Long Sleeve
Neck detail	Half zip
Care	Machine washable on a 30 degree wool cycle

What to know before buying

Listing details to confirm

The listing title describes a thermal T-shirt, while the product description specifies a long-sleeve, half-zip top. Confirm the exact style and selected variant before purchase. The wool content percentage and garment weight are not stated.

Who is it for?

A good fit for

Women seeking a lightweight long-sleeve layer for winter walking, travel or skiing.
Buyers who prefer a half-zip neck for adjustable ventilation while layering.

Less suited to

Shoppers who need a stated wool-content percentage, garment weight or a confirmed crew-neck design.

Mountain Warehouse Merino Women’s Long-Sleeve Thermal Baselayer Top · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 243 ratings

5 stars70%70%
4 stars16%16%
3 stars7%7%
2 stars4%4%
1 star3%3%

Customer feedback highlights perceived warmth, comfort, lightweight wear and a fit that some find easy to layer beneath a sweater. This aligns with the listing’s description of a lightweight baselayer, but does not establish a particular warmth rating or fit for every wearer. The overall rating distribution is mostly positive, though lower and middle ratings show experiences are not uniformly favourable.

Positive themes

Customers report comfortable, lightweight wear and appreciate the warmth.
Feedback mentions a slim fit for wearing under another layer and describes the fabric as not itchy.

Frequently asked questions

Does this top have long sleeves or short sleeves?

The title calls it a thermal T-shirt, but the description names a long-sleeve, half-zip top. Confirm the style for the selected listing or variant before ordering.

How should the top be washed?

The product description specifies machine washing on a 30 degree wool cycle.

Is it suitable as a layer under a jumper?

Customer feedback describes a slim fit that can be worn under another sweater. Fit may vary, so consult the available size information before choosing.

What wool percentage does it contain?

The listing identifies merino wool but does not provide a wool-content percentage.