The Layering System — Base Layers and Mid Layers That Actually Work

Staying warm on the mountain is not about one thick coat — it is about layers you can add and shed as conditions change. Get your layering right and you stay warm on the lift, cool while riding, and dry throughout. Here is the three-layer system that works.

The Three Layers

1. Base layer. Sits against your skin and moves sweat away from your body. Choose merino wool or a technical synthetic. Never cotton — it soaks up sweat, stays wet, and chills you fast.
2. Mid layer. Traps warm air. A fleece or a light insulated jacket does the job. You add or remove this depending on the temperature.
3. Outer shell. Your waterproof jacket and pants, blocking snow and wind while letting sweat escape.

Getting It Right

• Thin and snug beats thick and bulky. Several thin layers trap more warmth than one heavy one and let you fine-tune temperature.
• Avoid cotton everywhere — including underwear and the t-shirt you are tempted to wear underneath. Cotton kills.
• Match the day. On a cold, still morning add the mid layer; on a sunny spring afternoon you may ride in just base and shell.

Don't Overdress

Beginners often overdress, then overheat and sweat, which leaves them cold the moment they stop. You should feel slightly cool standing still — you will warm up within a run. Carry a small backpack so you can stash the mid layer when the day heats up.

Dialled-in layers mean you can ride longer without the cold cutting your day short. Plan that long day on Bonvo's 3D maps, lining up a series of beginner runs to lap from first lift to last.