Sheridan, Wyoming · 14°C · wind 12 km/h Free shipping over $90 Ninety-day trial, run in them Mon 3 Aug 2026

Season 03 · Autumn kit is shipping

Running kit, measured.

Every piece on this site carries a weight in grams and the air temperature range we tested it comfortable in. Forty-five products, eleven testers, one wind tunnel we rent by the hour.

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Today, in Sheridan

14°C, twelve kilometers an hour of wind, dry until four.

Which puts you in a short-sleeve top, five-inch shorts and something in a pocket for later. Three pieces, 266 grams together.

Most run in

Field notes

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Group
Temperature
Size
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PieceFabricWeightComfortable rangeRatedPrice

No kit matches that combination.

The temperature filters are narrow on purpose — try widening the range.

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Where it works

−16°C0°+10°+20°+34°C

Comfortable from {{ pd.tempStr }} at a moderate pace in still air, tested on eleven runners. Add roughly 6°C of perceived warmth for every wind shell you put over it.

How to take it

Practice your fuelling on long runs rather than saving it for race day — carbohydrate tolerance is trainable, and four to six weeks of exposure moves it a long way. Every batch is third-party tested and the certificates are on the product's page in our test log.

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Size

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Ninety-day trial — run in it, and send it back if it isn't right. Free shipping over $90.

Detail

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Measured

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Care

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Reviews

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Runs with this

Four seasons, four kits

Each kit is a complete set for a temperature band, assembled from the range rather than made separately. Buy the whole thing or take the two pieces you're missing.

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Cart

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Empty.

Start with the season kit closest to your weather, then subtract what you already own.

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Checkout

01 Contact 02 Delivery 03 Payment

Delivery details

Delivery speed

Payment

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Ordered.

It leaves Sheridan on the next working day. You'll get a tracking number when it's scanned, and one email when it's out for delivery — nothing else.

Run in it for ninety days. If it isn't right, send it back — worn, washed, muddy, we don't mind.

Account · yusuf.adan@example.com

Hello, Yusuf.

Fourteen orders, one return, and 2,140 kilometers logged in the Daily 8 you bought in January.

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Orders

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Sizing, measured flat

Garment measurements in centimeters, taken flat, not body measurements we've worked backwards from. Vests are sized by torso length rather than chest, which is the single most common sizing mistake in running kit.

Between sizes on a race-cut piece? Take the smaller. On anything you'll layer, take the larger.

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Measuring your torso for a vest

Stand up straight. Measure from the notch at the top of your sternum, down the front of your body, to the top of your hip bone at the side (roughly the L4 vertebra level). That number, in centimeters, is what the vest table above is keyed to. Chest circumference matters for the strap adjustment range, not for the size.

If you're on a boundary, email the measurement to support@meridianfits.com — we keep every sample in the office and someone will put a tape on it for you.

Field notes

Fuelling, testing methods, and what we've learned putting kit on eleven runners for six years. Written by the people who do the testing.

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Kit in this note

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Text alerts

Restocks, new drops and the occasional offer. Email is enough on its own — the mobile number and the text messages are entirely optional.

You're on the list.

You consented to text messages. If you gave us a mobile number you'll get one confirmation text shortly. Reply STOP at any time to stop, or HELP for help.

You did not opt in to text messages, so we won't send any. You can come back and opt in whenever you like.

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View our , , and .

Legal

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Questions go to support@meridianfits.com, or Meridian Running Co LLC, 30 N Gould St, Ste N, Sheridan, Wyoming 82801.