Rail

Yourwardrobe,triedon.

Rail puts outfits together from the clothes you already own and shows them on you. When you want something new, it tells you what suits your rail and the size that fits.

Start your rail →See how it works

Why Rail

Other apps tell you what to wear. Rail shows it on you, and tells you what fits.

Try any combination of what you own, on yourself, before you get dressed. And when something new catches your eye, Rail holds it up against the clothes that already fit you, so you buy the right size first time, and buy less.

FeatureRailWardrobe appsSize guides
Dresses you from the clothes you own—
Try any combination of your clothes, shown on youSome—
Tells you the size to take, measured against clothes that already fit you——
Reads the weather, your plans and the seasonSome—
Finds what's missing, and checks it fits before you buySome—
Made for menswear, in a quiet voiceSome—

Wardrobe apps: based on the published features of the popular ones, November 2026.

How it works

Five steps. Then every morning.

  1. 01 · Fill your rail

    Bring in what you've bought.

    Tell Rail how you like to dress, then connect Gmail. It finds your clothing orders, leaves off anything you sent back, and you tick what you still own. Photograph anything else, one piece at a time.

    From your orders14 pieces found
    • ✓COS Relaxed wool overshirt · Navy · L
    • ✓Uniqlo Oxford shirt · White · M
    • —Arket Pleated wool trousers · Grey · 32Returned
    Returns are left off. Tick what you still own, and photograph the rest.

  2. 02 · Try it on

    Any combination, on you.

    Put pieces from your rail together and see the outfit on your own photo, or on a model. Swap a piece, add a layer, ask the stylist what it thinks.

  3. 03 · Get dressed

    Three looks each morning.

    Rail reads the forecast, your plans and what you wore this week, and lays out three looks from what you own. Tell it which ones work and it learns.

    Ecru relaxed overshirt
    Stone heavyweight tee
    Navy pleated trousers
    White canvas trainers
    Saturday · 11°C, rain laterSoft tonalStone, ecru and grey sit close together, so the navy trouser does the work. Easy, considered, nothing shouting.

  4. 04 · Check the fit

    Paste a link. Get the size.

    Mark the pieces that fit you best. Rail reads a shop's size guide, lays it over them, and tells you the size that gives the shape you like.

    CHEST +3 CMLENGTH +4 CM
    Your COS oxford, size L New shirt, size L

  5. 05 · Buy less, better

    Only what's missing.

    When one piece would unlock a dozen outfits, it says so, finds it at the shops you like, and checks the size before you spend.

    Worth addingBrown suede derbiesYou own four navy tops and nothing in brown. This opens up eleven new outfits.
    COS ↗Arket ↗Uniqlo ↗
    Fit checkTake the 9. Runs true against your trainers.

How Rail talks

  • “The trousers are doing the work today. Let everything else be quiet.”
  • “Tuck the front, not the back. It keeps the shape without trying.”
  • “You own four navy tops and nothing in brown. That is the gap.”