Product Guides

Browse our guides to help you choose and care for your Jöttnar product.
Mountain Layering Guide: How to Layer for the Mountains

Mountain Layering Guide: How to Layer for the Mountains

How to layer for the mountains. Base layer, midlayer and shell explained. Systems for hiking, climbing and ski touring.
The Complete Guide to Down Insulation

The Complete Guide to Down Insulation

Everything you need to know about down insulation. Fill power, fill weight, hydrophobic down and goose vs duck.
Hardshell Jacket Guide: What to Look For

Hardshell Jacket Guide: What to Look For

How to choose a hardshell jacket - waterproofing ratings, breathability, membranes, 2-layer vs 3-layer and key features explained.
Midlayer Guide: Fleece, Active Insulation & How to Choose

Midlayer Guide: Fleece, Active Insulation & How to Choose

Fleece, Polartec® Alpha™, Octa®, synthetic insulation or down? A guide to help you choose your midlayer.
Down vs Synthetic Insulation: The Honest Guide

Down vs Synthetic Insulation: The Honest Guide

Down or synthetic insulation? The honest comparison. Warmth, wet weather, packability and durability.
Merino vs Synthetic Base Layers: Which Is Right for You?

Merino vs Synthetic Base Layers: Which Is Right for You?

Merino or synthetic base layer? The comparison - warmth when wet, odour, durability and ethics.
What Is DownTek™? The Complete Guide to Hydrophobic Down

What Is DownTek™? The Complete Guide to Hydrophobic Down

DownTek™ helps down work in wet conditions. How the PFC-free hydrophobic treatment works and what the data means.
Fill Power Explained: 600 vs 700 vs 800 vs 850

Fill Power Explained: 600 vs 700 vs 800 vs 850

What is fill power and what do the numbers actually mean? The honest guide to 750, 800 and 850 fill power.
How to Care for a Down Jacket: Washing, Drying & Storage

How to Care for a Down Jacket: Washing, Drying & Storage

How to wash, dry and store a down jacket correctly, including the detergent question, loft restoration and DownTek™ care.