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Merino 250 Vertex Long Sleeve Half Zip Thermal Top Into the Deep

Women's Merino 250 Vertex Long Sleeve Half Zip Thermal Top Into the Deep

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An incredibly warm merino base layer with a unique jacquard pattern, the 250 Vertex Long Sleeve Half Zip into the Deep is a go-to piece for winter layering—ideal for skiing, snowshoeing and other cold-weather pursuits. The original print artwork by Nathan Dunn represents the transitions between depths, altitudes and different environments.
Easy online & in-store returns - up to 30 days

You can return icebreaker that you purchased directly from icebreaker.com as long as it is unworn, unwashed, and in the original packaging with tags attached. We have extended our returns period and this may be returned for a refund for any reason within 30 days from the ship date.

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Refunds will be issued based on the original form of payment.

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We reserve the right to limit returns.

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All Returns must be arranged through our Online Return Authorization Request at www.icebreaker.com.

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We cannot accept Cash on Delivery.

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Please allow up to 10 working days for your return to be inspected and a refund given.



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Features & details
Features
100% Merino - Soft merino fibers that regulates body temperature in all weather conditions and resists odors
Gusseted underarms for mobility and comfort
Flatlock seams to prevent friction
Offset shoulder seams to prevent friction
Backward set side seams to prevent friction
Drop tail hem for added coverage
Layer

Base Layers

Style
#0A59KO
Product weight
Large = 320 g / 11.2 oz
Fabric & care
Fabric content
100% Merino Wool
Merino fiber micron
15µ
18.9µ
25µ
Care
Machine wash warm. Wash with like colors. Do not use softeners. Fasten all closures to wash and dry. Do not bleach. Do not tumble dry. Line dry in shade. Warm iron. Do not iron print, trims and accessories. Do not dry clean.

Our warmth system.

The bigger the number,
the warmer you'll be.

When choosing your layers, consider in which conditions you plan to use the products, and let yourself be guided by our warmth system.

Our merino fiber measurement.

The smaller the micron,
the finer the fiber,
the softer it feels.

The diameter of a merino fiber is measured in microns – where one micron equals one millionth of a meter.

icebreaker’s merino fibers range from 15.5 – 23.5 microns to ensure a soft hand feel across our skin to outer layers. Finer fibers feel softer because they bend more easily when in contact with the skin.

thickness graph
Fit & sizing
Key product measurements
Back High Point Shoulder to Hem = 68.9cm (based on size M)
What's your size?
See our Size Guide
Slim Fit - A snug, close-to-body fit for low-bulk layering.
What’s unique about the Vertex base layer?

A heavy weight base layer with a twist, our Vertex series feature shapes and patterns for added fun. The fabric is double knitted, meaning it’s thicker for added warmth while retaining lightness in weight. The jacquard jersey fabric also has unique patterns knitted in, with designs inspired by nature. Made from 100% merino for natural odour resistance and temperature regulation so even when it’s keeping you warm, your body can breathe.