Merino wool is soft, breathable, and temp-regulating, making it perfect for any adventure. Shop our men's Merino base layers and experience the difference.

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Built For Adventure

At Ridge Merino we create simple, everyday apparel with the mettle to weather expeditions, insulate adventures and soften the daily grind. Our base layers are no exception when it comes to technical apparel you can rely on. Whether you're climbing Mt Whitney or skiing the resort, our Merino base layers will move with you.

Discover Merino Wool

Our men's Merino wool base layers are the perfect foundation for outdoor activity when the temps dip. We offer the Aspect Midweight Merino wool Base Layer that is warm yet versatile, and the 100% Merino wool Inversion Heavyweight for the coldest winter weather.

Fabric You Need to Feel to Believe

Our warm 100% Merino Wool Inversion base layers and versatile Aspect Base Layers offer the perfect option for your ski and snowboard layers no matter how and where you shred.


We let our reviews speak for themselves.

"Love this weight for skiing during the cold Yukon winters. The thumb holes are a nice addition. Simple and refined cut."

Benjamin L

Inversion Heavyweight Crew

"These are the perfect length so they don't get bunched up in ski boots. Warm, wick well and comfy."

Paul J

Aspect Midweight 3/4 Length Bottom

"I have 6 of these shirts now, I love them. I'm 6'5" 205 and have long arms it's hard to find clothes anywhere. I like an athletic fit and these are perfect."

Anthony F

Aspect Midweight Crew

"These fit great and feel great next to skin. Wick very well even when sweating from exertion and keep me dry and warm. Very good product."

Eric H

Inversion Heavyweight Bottom

"Exactly as described, warm and breathable, well built and soft, stretchy with a good fit, bought it for running since my last wool quarter zip has worked so well and not gotten stinky."

Mark H

Aspect Midweight Crew 1/4 Zip

"These are the warmest and tough under layer i have ever owned. I will be buying more."

Nolan W

Aspect Midweight Crew