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Monod Sports

Icebreaker Merino 260 Oasis Vertex Long Sleeve Thermal Half Zip Alpine Geo Women's

Sale price$189.99 CAD
Member benefit Save $18.99 on this item Learn more

A warm, slim-fitting merino base layer with a winter-inspired jacquard pattern and half-zip ventilation for cold days on snow.


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Colour: Undyed / Cumin
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Women's Merino 260 Oasis Vertex Long Sleeve Thermal Half Zip Alpine Geo product image
Women's Merino 260 Oasis Vertex Long Sleeve Thermal Half Zip Alpine GeoUndyed / Cumin / XSmall Sale price$189.99 CAD

Product Details

Made from 100% 18.9-micron merino wool, this 260-weight base layer offers substantial warmth without losing the soft, breathable feel merino is known for. Its snowflake-inspired Alpine Geo jacquard gives the top a distinctive winter look, while the half zip lets you adjust airflow as effort and temperature change. Naturally odour resistant, the fabric works comfortably across changing conditions. The fit is slim, so it layers neatly beneath a midlayer or shell.

Small construction details make it easier to wear on the move. Gusseted underarms support mobility, while flatlock seams and offset shoulder seams help reduce friction under pack straps or additional layers. A drop tail adds coverage at the back. The merino fabric contains no plastic microfibres or petrochemical-based synthetics, and merino fibre is naturally renewable, recyclable and biodegradable under certain conditions. Machine wash cold on a gentle cycle, then line dry in the shade.

Shipping & Returns

We offer free standard shipping within Canada on orders over $99. Orders ship from our store in Banff, Monday through Friday. Most orders are processed within two business days, with orders placed after 12 p.m. MST requiring an additional business day. Once your order ships, you’ll receive tracking right away. We currently only ship to Canadian addresses - Learn more.

If something isn’t quite right, most online orders can be returned within 14 days as long as items are unused and in original condition. Refunds are issued to the original payment method once items are received back in-store, with in-store returns always free and a small return shipping fee applying to mailed returns - Learn more.

In-Store Pickup

All items are available for in-store pickup at our Banff location. Orders are typically ready within an hour during business hours, and always within 24 hours. Simply select in-store pickup at checkout and we’ll have it waiting for you at 129 Banff Avenue.

Best Price Guarantee

If you find the same product for less at a Canadian retailer, we’ll match it — or beat it. The item must be identical, in stock, and sold in Canada at a publicly advertised price. If you’ve already purchased, we’ll refund the difference on eligible orders within 15 days - Learn more

Specs and features

Women's Merino 260 Oasis Vertex Long Sleeve Thermal Half Zip Alpine Geo

Why you'll love it

Women's Merino 260 Oasis Vertex Long Sleeve Thermal Half Zip Alpine Geo product image

100% Merino Wool

The 18.9-micron merino fabric feels soft against the skin while providing warmth and natural odour resistance. Its 260-weight construction suits colder conditions and winter layering.

Women's Merino 260 Oasis Vertex Long Sleeve Thermal Half Zip Alpine Geo product image

Gusseted Underarms

Gusseted underarms add fabric where your arms need room to move, making the slim fit more comfortable during skiing, snowshoeing and other active cold-weather use.

Women's Merino 260 Oasis Vertex Long Sleeve Thermal Half Zip Alpine Geo product image

Flatlock Seams

Flatlock seams sit flatter against the body to help reduce friction. Offset shoulder seams add comfort where extra layers or pack straps can otherwise create pressure.

We're here to help

Frequently asked questions

We’re here to help with the details, before and after you order.

Visit Help Centre
When will my order ship?

Most orders leave our shop within 1–2 business days. Once your order is packed and scanned by the carrier, you’ll receive tracking right away.

What if the size or fit isn’t right?

No stress, it happens. If something doesn’t fit the way you expected, most items can be returned within 14 days as long as they’re unworn and in original condition. In-store returns are free, and mailed returns include a small return shipping fee. Some conditions do apply. Return Policy.

Is this covered by a warranty?

Most of our products are backed by the manufacturer’s warranty. If something goes wrong, we’ll help guide you through the process and advocate on your behalf.

Do you price match?

Yes. With our Best Price Guarantee, if you find the same product for less at a Canadian retailer, we’ll match it — or beat it. No hoops, no hard feelings, just fair pricing. Learn more.

BORN IN BANFF, BUILT BY A FAMILY OF MOUNTAIN enthusiasts AND GEAR SPECIALISTS.

Monod Sports is a family-owned specialty shop rooted in Banff, since 1949. Our team lives and works in the mountains, and we’re selective about what we carry — choosing quality gear we trust ourselves, stand behind fully, and feel confident recommending to anyone who walks through our doors.