Discover more like Men's R1® Thermal Bottoms

A technical fleece for the coldest alpine objectives, the R1 Thermal Crew is built to protect you from the elements and keep you warm while on the move. The interior microgrid backing is soft, warm and breathable, and the smooth, durable face fabric sheds wind or snow flurries when the weather rolls in. Made in a Fair Trade Certified factory.

A technical fleece for the coldest alpine objectives, the R1 Thermal Full-Zip Hoody is built to protect you from the elements and keep you warm while on the move. The interior microgrid backing is soft, warm and breathable, and the smooth, durable face fabric sheds wind or snow flurries when the weather rolls in. Made in a Fair Trade Certified factory.

A technical fleece for the coldest alpine objectives, the R1 Thermal Full-Zip Hoody is built to protect you from the elements and keep you warm while on the move. The interior microgrid backing is soft, warm and breathable, and the smooth, durable face fabric sheds wind or snow flurries when the weather rolls in. Made in a Fair Trade Certified factory.

A technical fleece for the coldest alpine objectives, the R1 Thermal Crew is built to protect you from the elements and keep you warm while on the move. The interior microgrid backing is soft, warm and breathable, and the smooth, durable face fabric sheds wind or snow flurries when the weather rolls in. Made in a Fair Trade Certified factory.

A breathable, lofted baselayer to keep you warm in cold conditions, built of Polartec Power Grid fabric with HeiQ Pure odor control for freshness. Made in a Fair Trade Certified factory.

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Unlike any midlayer bottoms you've ever worn, the Nano-Air Light Bottoms deliver warm, stretchy and breathable performance for moving fast in cold climates. Inseam length is 31". Made in a Fair Trade Certified factory.

A classic, all-around 100% recycled polyester baselayer. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ Mint odor control keeps things fresh. Made in a Fair Trade Certified factory.

A breathable, lofted hoody that keeps you warm in cold conditions and is styled to layer over your favorite tech tee. Built of Polartec Power Grid fabric with HeiQ Pure odor control for freshness. Made in a Fair Trade Certified factory.

The Nor'west is a robust moleskin pant that will keep you warm and looking sharp both indoors and out.

The PowSlayer Pants are lightweight, packable, optimized for backcountry touring and feature a minimalist design. The GORE-TEX Pro fabric package includes the first 100% recycled nylon face fabric to deliver the highest level of durable waterproof/breathable and windproof protection available. Fair Trade Certified sewn.

Everyday, easy woven shorts with an elasticized waistband, a drawcord designed for fit and function, and a 6" inseam. Made in a Fair Trade Certified factory.

Everyday, easy woven pants with a 32" inseam and an elasticized waistband are designed for fit and function. Made in a Fair Trade Certified factory.

Everyday, easy woven shorts with an elasticized waistband, a drawcord designed for fit and function, and a 6" inseam. Made in a Fair Trade Certified factory.

Comfortable, multifunctional go-to pants for any activity and the moments in between. Inseam is 30". Made in a Fair Trade Certified factory.

Embrace the basics in our cozy, long-lasting Daily Sweatshorts. Whether youre relaxing at home or getting after it outdoors, these versatile, go-to sweatshorts keep you warm, comfortable and free to move. The inseam is 7".

The lightweight Upstride Pants are designed to go uphill fast. Built of a breathable, recycled stretch-knit face fabric with a DWR (durable water repellent) finish that's made without perfluorinated chemicals (PFCs/PFAS), they excel on long, high-output tours in predictable weather. Made in a Fair Trade Certified factory.

Durable, organic cotton corduroy shorts for everyday wear. Inseam is 6". Made in a Fair Trade Certified factory.

Matching Bottoms: Adventure Line Thermal Pant Product features - Long sleeve thermal top Details - Soft on the skin draws moisture away from the body - Super warm light weight material - A great base layer for layering - Pre shrunk fabric design - Machine washable - 50% Polyester 50% Viscose - Made ...

Embrace the basics in our cozy, long-lasting Daily Sweatshorts. Whether youre relaxing at home or getting after it outdoors, these versatile, go-to sweatshorts keep you warm, comfortable and free to move. The inseam is 7".

Contrast 3-Stripes and a Trefoil logo are as OG as it gets. Feel cosy and warm in fleece. Secure your stuff in zip pockets. Adidas cotton products support sustainable cotton farming. This product is also made with recycled content as part of their ambition to end plastic waste.

Everyday, easy woven shorts with an elasticized waistband, a drawcord designed for fit and function, and a 6" inseam. Made in a Fair Trade Certified factory.

Built for year-round performance, these lightweight recycled polyester/spandex hike shorts with a 10" inseam are designed for long, active days on the trail. Made in a Fair Trade Certified factory.