Free
Everything a run needs, every morning.
Free
Download and go.
- Today's outfit, for every run
- Home Screen widget
- Your own Kit
- Run log, and how each run felt
- Connect Strava, by invite for now
- Export your data
Your pre-run ritual.
Weather, effort, what to wear.
One outfit from your own kit.
Cool and steady throughout.
Long Sleeve ThermalBanditFeels like 39°F at the start.
Sleek TightsNew BalanceFeels like 39°F at the start.Moderate effort.
Merino Crew SocksRain chance up to 0%.
Merino HeadbandSmartwoolWind up to 5 mph.
Running GlovesGore WearWind up to 5 mph.
Boulder preview · sample outfit
Crisp dawn: Cool and steady throughout. Long Sleeve Thermal, Sleek Tights, Merino Crew Socks, Merino Headband, Running Gloves.
Cool and steady throughout.
- Long Sleeve ThermalBanditFeels like 39°F at the start.
- Sleek TightsNew BalanceFeels like 39°F at the start.Moderate effort.
- Merino Crew SocksRain chance up to 0%.
- Merino HeadbandSmartwoolWind up to 5 mph.
- Running GlovesGore WearWind up to 5 mph.
One decision.
Before the door.
Using the sky and effort above, change the length or use your location. The example outfit updates with the run.
Crisp dawn
39°
Clear · light wind
Cool and steady throughout.
Long Sleeve Thermal
Sleek Tights
Merino Headband
Running Gloves
Merino Crew Socks
Try your run
Change the run to see its outfit.
Example conditions. Moderate Steady, 45 minutes.
One outfit.
Your own kit.
Add the clothes and shoes you run in. Layer chooses from your Kit for the conditions ahead.
Add your kit
Photograph a piece. Layer cuts it out, names it, and dresses you in it.
Their voices.
Your next mile.
Race Mode plays friends' voice notes at the miles that matter. A familiar voice when the finish still feels far away.
Race Mode comes with Layer Pro.
Voice note · Mile 18
“One mile at a time.
I'll be there at the finish.”
0:00 / 0:00
Synthetic voice and crowd. Staged example.
It remembers how it felt.
Log a run in a tap: too warm, just right, cold for the first mile. Today that is your own record of what worked. Using it to tune the next call is what comes next.
How did Layer's outfit feel?
One tap after you finish. That's all it asks.
Run log · Today
Crisp dawn
- Long Sleeve Thermal
- Sleek Tights
- Merino Crew Socks
- Merino Headband
- Running Gloves
How it felt: waiting for your tap.
It reads the run ahead.
Your effort
Tell Layer how hard you'll run. An easy hour and a hard tempo call for different outfits.
The weather ahead
Wind at the start or rain halfway through can change what you'll want to wear.
What to wear
Layer gives you one outfit for the run you have planned.
Optional Strava connection
Bring in the runs you already log.
Connect Strava to bring recent running activity and shoes into Layer. The connection is read-only, and Layer never posts. For now, connecting Strava is by invite.
What it reads
Recent run times, sport, duration, distance, approximate start location, and your Strava shoes.
What you get
Recent running activity and shoes brought into Layer without entering them again.
Read-only
Layer does not read heart rate and never posts to Strava.
Free for every run.
Today's outfit is free. Pro adds planning ahead and Race Mode.
Pro
For a training block and race day.
See price in the App Store
Starts with a free trial.
- Today's outfit, for every run
- Home Screen widget
- Your own Kit
- Run log, and how each run felt
- Connect Strava, by invite for now
- Export your data
- Race Mode, with friends' voice notes at the miles that matter
- Fuel cues on practice runs
- Outfits for runs planned ahead
FAQ
Questions about Layer
Weather apps tell you what it is. Layer tells you what it means for your run, accounting for effort and changing conditions. Run feedback can be logged today; deeper personalization remains planned.
Use Layer on the web in any browser, or on iPhone with iOS 26 or later, where it has Home Screen widgets. Apple Watch is planned for a later release.
Layer is free to download, and the web app needs no account or install. Layer Pro adds Race Mode, fuel practice and runs planned ahead, and starts with a free trial.
Layer has no ads, does not use advertising trackers, and does not sell your personal information. Strava is optional and read-only.
Yes. In the iPhone app, open Profile, then Settings, then Privacy & Data to export your account information or delete your account.
Yes. The web app remains available in any browser, so you can get a recommendation without installing anything.
Layer Field Log
Weather is never one number.
What to wear on a long run in changing weather
A long run can cross several forecasts. Build the full weather window, choose a base outfit, and give one removable adjustment a clear job.
What should a running weather app tell you?
A running weather app should interpret the whole forecast window, planned effort, duration, real garments, and the limits of its personalization.
What to wear running in wind and rain
Wind and rain turn one temperature into several clothing decisions. Here is how to account for exposure, effort, duration, and changing conditions.
Your pre-run ritual.
For the everyday miles. And the ones you'll remember.
Free on iPhone. Requires iOS 26 or later.