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Running Jackets

Running jackets for every weather, from windshells to waterproof and insulated jackets. The faster you run, the less jacket you need.

Guide

Running Jackets

For most runs, a thin windproof running jacket with a water-repellent finish is all you need. Go fully waterproof for sustained rain and for mountain races that list it as mandatory kit.

Key points

For most runs, a thin windproof running jacket is enough.
Waterproof for sustained rain or when a race requires it.
In winter, blocking the wind beats adding insulation.

Which type for which use?

Use	Choose	Reason
Road and park runs on cool, breezy days	ChooseWindshell	ReasonVery light, blocks wind and drizzle, often stuffs into its own pocket. Wets out quickly in steady rain
Sustained rain, mountain and fell races	ChooseWaterproof running jacket	ReasonMembrane, taped seams and a hood keep rain out. Runs warm at speed
Brisk runs in cold wind	ChooseHybrid jacket	ReasonWindproof front, vented back. No rain protection on the back
Easy runs below freezing	ChooseThermal running jacket	ReasonLight insulation, no thick mid-layer needed. Too warm for tempo runs and mild days
Spring and autumn, fast sessions	ChooseRunning gilet	ReasonCovers the core, leaves the arms free. No rain protection, arms get cold

Types compared

Windshell
For road and park runs on cool, breezy days.
- Advantage: Very light
- Drawback: Wets out quickly in steady rain
Example: Klättermusen Nal Hooded Jacket W's ›
Rain jacket (Waterproof)
For sustained rain, mountain and fell races.
- Advantage: Membrane and taped seams keep rain out
- Drawback: Runs warm at speed
Example: Scott Jacket W's Endurance SL WP ›

What to look for when buying

Question	In brief	Why
How warm should a running jacket be?	In briefSlightly cool at first	WhyLighter than you think. Your body warms up within minutes of setting off. If you are slightly chilly for the first few minutes, the running jacket is right.
When does a running jacket need to be waterproof?	In brief10,000 mm and up	WhyIn sustained rain and in mountain races. The Zugspitz Ultra Trail requires taped seams and at least 10,000 mm hydrostatic head on every course.
What does the RET value tell you?	In briefRET under 6	WhyRET measures how much a fabric resists sweat vapour, so lower is better. The German Alpine Club rates values under 6 as very good breathability.

Frequently asked questions

What is the difference between a running jacket and a rain jacket?

A running jacket is usually lighter, closer-cut and better vented than a hiking rain jacket. Many running jackets are only water-repellent: the DWR (durable water repellent) finish makes showers bead off, but the seams are not taped.

Running jacket or gilet?

A gilet when only your core needs cover: in cool, dry weather and for fast sessions. A running jacket as soon as there is rain, strong wind or frost.

How should a running jacket fit?

Close to the body without pulling. Raise your arms when you try it on: the hem should stay over your waistband and the cuffs should cover your wrists. Fabric that flaps cools you down.

How do I wash a running jacket?

Follow the care label, use a little liquid detergent and no fabric softener. Gore recommends 40 °C for its fabrics, then a further 20 minutes in the tumble dryer once the jacket is dry. The warmth revives the water-repellent finish.