The Ultimate Arc'teryx Layering Guide: How to Dress for Any Weather

The layering system is the foundation of outdoor comfort. Get it right, and you'll be comfortable in any weather. Get it wrong, and you'll be sweaty, cold, and miserable.

In this guide, I'll explain how to layer Arc'teryx gear for different conditions and activities.

The Layering System: The Basics

There are three main layers:

1. 1Base Layer: Next to your skin. Wicks moisture.
2. 2Midlayer: Insulation. Keeps you warm.
3. 3Shell: Outer layer. Protects from wind, rain, and snow.

Each layer has a specific job, and they work together to regulate your temperature.

The Golden Rule of Layering

It's better to wear multiple thin layers than one thick layer.

Multiple thin layers are:

• •More versatile (you can add/remove layers as conditions change)
• •Better at regulating temperature
• •More comfortable
• •More packable

Layering for Different Conditions

Summer Hiking (60°F+ / 15°C+)

Minimal layering:

• •Synthetic t-shirt
• •Shorts or lightweight pants (Lefroy Pants)
• •Beta SL shell (in your pack, just in case)
• •Sun hat

Total weight: ~500g (including pack)

Fall/Spring Hiking (40-60°F / 4-15°C)

Light layering:

• •Merino base layer (long-sleeve)
• •Atom LT Hoody (light midlayer)
• •Gamma LT Pants
• •Beta LT shell (in your pack)

Total weight: ~1.2kg

Winter Hiking (20-40°F / -7 to 4°C)

Full layering:

• •Merino base layer (top + bottom)
• •Atom LT Hoody (midlayer)
• •Cerium LT Hoody (extra warmth, if needed)
• •Beta AR Jacket (shell)
• •Beta AR Pants (shell pants, if snowy)
• •Wool beanie
• •Warm gloves

Total weight: ~2.5kg

Alpine Climbing (0-30°F / -18 to -1°C)

Technical layering:

• •Merino base layer (top + bottom)
• •Atom LT Hoody (active midlayer)
• •Cerium LT Hoody (belay jacket)
• •Alpha SV Jacket (shell)
• •Alpha SV Pants (shell pants)
• •Wool beanie + helmet
• •Fission SV Gloves

Total weight: ~3.5kg

Choosing the Right Base Layer

Material

• •Merino wool: Best for most conditions. Warm, breathable, odor-resistant.
• •Synthetic: Best for high-output activities. Dries faster than wool.
• •Silk: Best for mild conditions. Very light and comfortable.

Weight

• •Lightweight (150g/m²): Summer and high-output activities
• •Midweight (200g/m²): Three-season use
• •Heavyweight (300g/m²+): Winter and static activities

Choosing the Right Midlayer

For Active Use

• •Atom LT: Best all-round active midlayer. Breathable, works when wet.
• •Gamma MX: Best for windy conditions. Blocks wind, breathes well.

For Static Use

• •Cerium LT: Best for camp and belaying. Warm, lightweight, packable.
• •Thorium AR: Best for very cold conditions. Warmest midlayer.

For Mixed Use

• •Atom LT: The most versatile. Works for both active and static use.

Choosing the Right Shell

For Hiking

• •Beta LT: Best all-round hiking shell. Light, versatile, affordable.
• •Beta SL: Best for summer hiking. Even lighter, less durable.

For Backpacking

• •Beta AR: Best for rough use. More durable, pit zips for ventilation.

For Alpine Climbing

• •Alpha SV: Best for technical climbing. Most durable, best hood.
• •Alpha FL: Best for fast-and-light. Lighter than SV, more technical than Beta.

Layering Tips

1. Start Cold

When you start hiking, you should feel slightly cool. If you're warm at the trailhead, you'll be sweating within 10 minutes.

2. Adjust Before You're Uncomfortable

Don't wait until you're sweating to remove a layer. Take it off before you get too hot. Same for adding layers — do it before you get cold.

3. Manage Your Zippers

• •Main zipper: Open for ventilation, close for warmth
• •Pit zips: Open when you're working hard, close when you're cold
• •Cuff velcro: Open for ventilation, close for warmth

4. Keep Your Shell Handy

Don't bury your shell at the bottom of your pack. Keep it near the top so you can put it on quickly when the weather changes.

5. Don't Overdress

The most common mistake is wearing too many layers. You should be slightly cool when you start — your body will warm up as you move.

Common Layering Mistakes

1. Wearing Cotton

Cotton kills. It doesn't wick moisture, it doesn't dry, and it loses all insulation value when wet. Never wear cotton as a base layer.

2. Too Many Layers

More layers isn't always better. Too many layers make you sweat, which makes you cold. Find the right balance.

3. Not Ventilating

If you're getting too warm, ventilate before you start sweating. Once you're sweaty, it's hard to dry out.

4. Wrong Shell for the Activity

Don't wear a heavy Alpha SV for a summer hike. Don't wear a lightweight Beta SL for winter alpine climbing. Match your shell to your activity.

5. Forgetting Accessories

A warm hat and gloves make a bigger difference than you'd think. Don't forget them.

The Perfect Arc'teryx Quiver

If you could only have 5 pieces of Arc'teryx gear:

1. 1Beta LT Jacket — versatile shell
2. 2Atom LT Hoody — versatile midlayer
3. 3Gamma LT Pants — versatile pants
4. 4Merino base layer — moisture management
5. 5Wool beanie — warmth and comfort

With these 5 pieces, you can handle almost any condition from summer hikes to winter walks.

Final Tips

1. 1Start cold — you'll warm up as you move
2. 2Adjust early — don't wait until you're uncomfortable
3. 3Ventilate — use zippers and pit zips
4. 4Keep your shell handy — weather changes fast
5. 5Don't overdress — less is often more

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