What is sizing like Fjällräven jackets
By Ella Blake — Sizing Expert Stylist & Founder of TellarDate: 2026
Always Honest, Unbiased, Unsponsored & Free Content.
Fjällräven jackets run generous and the trousers run fairly true to size — but there's real nuance depending on what you're buying, because this is a Swedish brand that thinks in numeric EU sizing (42, 44, 46 and up) for trousers and letter sizing for tops and outerwear. That mix trips a lot of British shoppers up.
The short version: don't automatically size up just because it's an "outdoor" brand. On the jackets you often don't need to.
Jackets and parkas — cut for layering
Everyday jackets (the Greenland, the Övik range) run roomy. If you want a trim, urban look, your true size is usually plenty — some people even find they can drop down half a step.
Winter parkas (the Singi, the Nuuk) are deliberately cut even bigger, because they're designed to go over a fleece and a jumper. Buy your normal size here and don't panic-buy an extra one up, or you'll drown.
If you're a broad-shouldered bloke, the room actually works in your favour — Fjällräven outerwear rarely pulls across the back the way slimmer British brands do.
Trousers — true to size, but read the fit name
The Vidda Pro and Keb are the icons, and both are broadly true to size through the waist. The thing to watch is the fit language, because Fjällräven has been quietly updating its cuts:
The classic G-1000 trousers sit at a regular waist with a straight, workwear-ish leg. If your measurements land between two waist sizes, size down for a cleaner line.
The newer "Improved Fit" comes up more generous, so if you already own an older pair, you may want to drop a size in the updated version.
Leg length is graded — a bigger waist automatically gets a longer leg — and most styles come in short, regular and long. Outdoor trousers are meant to break over a boot, so go a touch longer than you would with everyday chinos.
The Vidda Pro Ventilated is the slimmer, stretchier option if the standard cut feels too much like a tent below the knee.
Knitwear, fleece and shirts
The fleeces (the Övik and Buck styles) are true to size with a relaxed drop — lovely over a tee, roomy enough for a shirt underneath.
Wool jumpers run true but chunky, so if you like a neat layer under a jacket, don't go up.
Shirts and base layers are the most "normal" fitting things Fjällräven makes — take your usual size and you'll be right.
Marcus's quick shortcut: Buy your true size in Fjällräven jackets and shirts, size down half a step if you want a trim Greenland, and mind the "Improved Fit" flag on trousers. When in doubt, it's the numeric EU trouser sizing that catches people out — not the actual cut.
How to style it (so it doesn't look like you're off to chop wood)
The trick with Fjällräven is to lean into the heritage-outdoor look without going full expedition. I dress a lot of clients in it for exactly this reason — it's the rare functional brand that reads well in a city.
Ground it in neutrals. The house colours — dark navy, forest, sand, that lovely "autumn leaf" rust — all sit beautifully together. A sand Greenland over a navy roll-neck with dark trousers is effortless.
Break the utility with something clean. A pair of proper leather boots or minimal white trainers stops a Vidda Pro trouser looking like hiking kit.
Wax it and let it age. The G-1000 fabric takes Greenland wax, which deepens the colour and adds weather resistance. It's one of the few pieces that genuinely looks better after a couple of winters.
Keep the top half simple. These are statement fabrics, so a plain merino or a decent oxford underneath does the heavy lifting.
The best brands to wear alongside Fjällräven
If you love the functional-but-wearable Scandi thing Fjällräven does, here's where I'd send clients next, across every budget.
High street
Craghoppers — the most sensible British alternative for everyday outdoor trousers and shirts. Fit is close to Fjällräven: roomy, true to size, cut for movement. Great value if the Vidda Pro price makes you wince.
Berghaus — proper British mountain heritage. Their jackets run a shade slimmer than Fjällräven's, so I'd take your true size and check the layering room before you commit.
Uniqlo — not outdoorsy, but the functional basics (HEATTECH, the BlockTech shell, the fleeces) are the perfect affordable mid-layers to go under a Fjällräven jacket. Uniqlo runs slimmer, so size up one if you want room.
Independent and boutique
Norse Projects — Danish, and possibly the most stylish version of this whole aesthetic. Cleaner and more design-led than Fjällräven, with a slimmer, more considered cut. Take your true size.
Stutterheim — the Swedish rubberised raincoat people. Gloriously miserable branding, brilliant coats. They're cut boxy and roomy, so if anything size down for a sharper line.
Klättermusen — the connoisseur's Scandi outdoor label. Serious technical kit, articulated fits, and a cult following. Sizing is true but athletic, so allow layering room on the shells.
Designer and luxury
Arc'teryx — the technical benchmark. Cleaner, slimmer and more precise than Fjällräven, and cut athletically, so size up if you're between or want to layer. Worth every penny if you actually get outdoors.
And Wander — Japanese, beautifully made, and the smartest way to wear "gorpcore" without looking like a catalogue. Cut compact and Japanese-slim, so size up at least one.
Moncler — if you want the outdoor silhouette with genuine luxury weight, Moncler is the top of the tree. It runs small and slim, so most men take a size up. Style over substance in the hills, but unbeatable on a city pavement.
Stop guessing your size — let Tellar do it

Here's the honest truth after all that: the reason Fjällräven trips people up isn't the cut, it's the numeric EU sizing and the different fits across the range. And that's exactly the problem Tellar was built to solve.
Tellar is the UK's leading clothing sizing tool — it matches your body to over 1,500 brands instantly, so you never have to squint at a size chart or gamble on a checkout again.
Measure once — chest, waist, hip, or just tell it a brand and size you already own and trust.
Use the Store Size Lookup to get your exact Fjällräven size — and your size in COS, Reiss, Arket, Everlane and hundreds more — in seconds.
Shop with confidence — fewer returns, less faff, better-fitting kit.
Always free, nothing to download, works straight in your browser.
Find your exact Fjällräven size in seconds
Your body, matched to 1,500+ brands. Honest, unbiased, and always free.
Match your measurements to any brand instantly
No more size charts, no more guesswork
Free to use — no sign-up, no download
Try the Store Size Lookup How to Measure
And once you've nailed the fit, the Tellar Fashion Hub is a whole library of free posts like this one — honest style advice, brand deep-dives and top picks, written by working stylists. No sponsorship, no fluff, just useful stuff.
Tellar is always honest, unbiased & unsponsored. We don't take payment from any brand featured.
More from the Tellar Fashion Hub
The Tellar Fashion Hub is the World's Largest, 100% Free, Fully searchable, Fashion Library. Filled with 4000+ Honest & Unbiased posts, written by our expert stylists.
No adverts, no sponsored posts, no subscriptions. We are 100% free to use.
We are paid by affiliates, but we never allow brands to influence our recommendations.
Honest, Unbiased, Accurate & Free.
