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Monod Sports

Patagonia Nano-Air Light Bottoms Men's

Sale price$285.00 CAD

Light, warm and unusually breathable, these slim-fitting bottoms keep cold-weather movement comfortable without feeling bulky under a harness or boots.


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Men's Nano-Air Light Bottoms
Men's Nano-Air Light BottomsBlack / Small Sale price$285.00 CAD

Product Details

The Nano-Air Light Bottoms are made for moving through cold conditions at a quick pace, when insulation needs to breathe as well as it warms. Their 40-g FullRange insulation works with a lightweight recycled-polyester ripstop shell and lining to provide stretch, air permeability and a low-bulk feel. The slim fit and articulated pattern reduce bulky seams, so the bottoms move naturally for hiking, skiing or climbing. A smooth waistband and internal drawcord keep the pull-on design simple and comfortable.

Small details make them easy to use with other gear. The right-thigh zip pocket sits clear of harness leg loops, while the stretchy cuffs push up over alpine boots or tuck inside them. Waist panels and cuffs use a recycled nylon and spandex power-stretch knit with a wicking finish, and the shell has a DWR finish made without intentionally added PFAS to shed moisture. At 249 g, they add warmth without asking much of your pack.

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

Men's Nano-Air Light Bottoms

Why you'll love it

FullRange® insulation

The 40-g FullRange® insulation adds warmth while retaining stretch, working with the breathable shell and lining to keep the bottoms comfortable during active movement.

Harness-compatible pocket

A zippered right-thigh pocket stays clear of harness leg loops, giving you a practical place for small essentials without interfering with climbing equipment.

Stretch boot cuffs

The recycled nylon and spandex knit cuffs stretch easily, pushing up over alpine boots or tucking inside them while helping the bottoms move with you.

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.