Helly Hansen LIFA Merino Midweight 1/2-Zip Base Layer, Model 49363

Model: Helly Hansen LIFA Merino Midweight 1/2-Zip is a men's long-sleeved base layer described as a two-layer blend of merino wool and LIFA fibre technology. The listing positions it for cold-weather activity, while customer feedback particularly mentions running and base-layer use.

At a glance

Two-layer construction pairs a 100% merino wool layer with LIFA fibre technology, according to the product description.
The listing describes the layer as breathable and warm, with moisture management from LIFA fibres.
Customer feedback highlights cold-weather running and base-layer use.

Price

£69.60Save 30%

Reference price: ~~£100.00~~

Price checked: 14 Nov 2026

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Often bought together

Helly Hansen Herren LIFA Merino Midweight 1/2 Zip Langarm-T-Shirt

Pros and cons

Pros

The combination of merino wool and LIFA fibres is presented as bringing natural warmth and moisture management in one layer.
Customer feedback describes the fit positively and reports use for colder-weather running.

Cons

Customer feedback on durability is mixed, with some reports of fabric tearing.

Technical specifications

6 specifications

Identity
Brand	Helly Hansen
Model number	49363
Department	Men's

Construction and materials
Construction	2-layer construction
Merino wool layer	100% merino wool
Fibre technology	LIFA® fiber technology

Who is it for?

A good fit for

Men looking for a long-sleeved base layer for cold-weather activities.
Runners who want a midweight layer and are comfortable with a 1/2-zip design.

Helly Hansen LIFA Merino Midweight 1/2-Zip Base Layer, Model 49363 · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 553 ratings

5 stars77%77%
4 stars13%13%
3 stars4%4%
2 stars5%5%
1 star1%1%

Customer feedback is positive about warmth, fit, style, functionality and use as a base layer, with colder-weather running mentioned as a particular use. The listing's merino and LIFA construction provides context for those warmth and moisture-management needs, but does not establish customer experiences as performance measurements. Durability feedback is mixed, including reports of fabric tearing, so buyers prioritising long-term wear may want to consider that uncertainty.

Positive themes

Customers describe the shirt as warm and report a nice fit.
Customers mention colder-weather running and appreciate the shirt as a base layer.

Mixed feedback

Durability feedback is mixed, with some customers saying the shirt lasts for years and others reporting fabric tearing.
Customers describe the shirt as good value, though this is a reported opinion rather than a price comparison.

Frequently asked questions

What materials and construction does the listing describe?

It describes a two-layer construction with a 100% merino wool layer and LIFA fibre technology.

What activities is this layer intended for?

The product description presents it for cold-weather activity. Customer feedback specifically mentions colder-weather running and base-layer use.

Is customer feedback consistent about durability?

No. The supplied feedback summary says durability opinions are mixed, including reports of fabric tearing as well as comments that the shirt can last for years.