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

10 products
a splitboarder puts skins on his splitboard to prepare for the descent in the Mammoth Lakes backcountry

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 in-bounds, our Merino base layers will move with you.

a splitboarder skins on a groomed trail in the Mammoth Lakes area

Discover Merino Wool

Our men's Merino wool base layers are the perfect foundation for outdoor activities when the temps dip. Our Aspect Midweight Merino wool base layer is warm yet versatile, and our 100% Merino wool Inversion Heavyweight base layer keeps you warm in the coldest winter weather.

a splitboarder prepares for the descent wearing Ridge Merino base layers and beanie

Fabric You Need to Feel to Believe

Our warm 100% Merino wool Inversion base layers and versatile Aspect Base Layers are the perfect option for your ski and snowboard layers, no matter how or 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 Base Layer Shirt

"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 Base Layer 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 Base Layer Shirt

"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 Base Layer 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 1/4 Zip Base Layer Shirt

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

Nolan W.

Aspect Midweight Base Layer Shirt