What Is Sizing Like at KAVU?

KAVU runs on US alpha sizing (XXS–XXL) runs true to size, built around your body measurements rather than the garment, and the cut is deliberately relaxed and a touch long. In plain terms: most men land in their usual letter, but if you're between two sizes or want a proper loose layering fit, size up.

How KAVU sizing actually works

KAVU is an American outdoor-lifestyle label — the people behind the Rope Bag, the fleeces and those brilliantly loud shirt-jackets. Because it's a US brand, there are no UK numeric sizes to decode. You measure yourself and match to a letter. A few things worth knowing before you order:

The chart is body-based, not garment-based. The number on the size guide is your actual chest, not the finished measurement — the ease is already built in on top.
The bands are broad. Medium covers roughly a 38–41" chest, which is a wide spread. A slim 38" chest and a solid 41" chest both technically "fit" Medium, so the same letter can feel very different depending on your build.
It's cut relaxed and long. Shirt-jackets, hoodies and throwshirts hang loose with a bit of length — closer to a comfortable outdoor fit than a tailored one.
If you're between sizes, KAVU says go up. That's their own guidance, and I'd agree for anything you plan to layer.

The bits that catch men out

I'll be honest — I got this wrong once. I ordered a KAVU shirt-jacket in my "safe" Medium for a weekend away, went by the letter alone, and the shoulders came up snug over a jumper. Perfectly wearable on its own, useless as the layer I actually wanted it for. Lesson learned: with roomy outdoor pieces, size for what goes underneath, not for the label.

Shoulders can run a shade small on the heavier shirt-jackets, even though the body is generous. Reviewers consistently report sizing up for a true loose fit.
The length is intentional. If you prefer a cropped, modern hem, that longline cut may read as oversized on shorter frames.
Fleece and jackets need layering room. Factor in the jumper or mid-layer you'll wear before you settle on a size.

How to get your KAVU size right

Measure your chest at the fullest point, tape level and comfortably loose — then match to the band, not to a guess.
If you sit at the top of a band, or you want to layer, take the next size up.
Want a sharper, closer look? Stay true to size and accept the relaxed drape it's designed to have.

Love the KAVU look? Brands I'd point you towards

If that easy, outdoorsy, wear-it-everywhere feel is your thing, here's where I'd shop across three price points.

High street

Uniqlo — the most reliable sizing on the high street and superb layering basics. If KAVU's fleeces appeal, Uniqlo's mid-layers are the sensible everyday backbone.
Fat Face — British, outdoorsy and cut with the same relaxed comfort. Great for the casual shirt-jacket-and-cords weekend uniform.

Independent & boutique

Passenger — UK independent doing sustainable outdoor-lifestyle kit; the same good-times attitude KAVU trades on, with a lighter carbon footprint.
Finisterre — Cornish, ethically minded and brilliant for genuinely functional layers that still look considered off the trail.
Universal Works — Nottingham-based, workwear-influenced and cut roomy. If you like KAVU's silhouette but want it a bit more grown-up, start here.

Designer & luxury

Patagonia — the premium benchmark for outdoor pieces; unbeatable on durability and repairability, and fit runs true and relaxed.
Nanamica — Japanese design-led outerwear where technical fabric meets clean tailoring. The elevated version of the KAVU idea.
Stone Island — for the man who wants outdoor DNA with serious design credibility. Fit is neater, so check measurements before you commit.

Stop guessing your size — let Tellar do it

Broad size bands and US-to-UK guesswork are exactly why returns pile up. Tellar.co.uk is the UK's leading sizing tool: measure yourself once and your body is matched instantly to 1,500+ brands — KAVU included. No more squinting at a size guide.

Use the free Store Size Lookup to get your exact size in any brand — COS, Reiss, Everlane, Arket and more — then shop with confidence, fewer returns and better-fitting kit. It's always free, no downloads, works straight in your browser.

Find My KAVU Size How To Measure

And when you've got the fit sorted, dig into the Tellar Fashion Hub — a library of honest, unbiased, independent and always-free style guides from our stylists:

• The secret to smart-casual comfort• Best men's jeans brands: high street to designer• How to do casual style well

Get your size right first and KAVU is a joy to wear — loud, hard-wearing and built for actually doing things. Nail the fit, layer it properly, and it'll earn its place in your wardrobe for years.