Here’s why experts advise drivers not to wear puffer jackets in winter

It’s the classic winter dilemma—do you stay warm in your trusty puffer, or stay safe behind the wheel? As it turns out, bundling up might not be the smartest move when you’re driving. Here’s what safety experts are saying—and why your winter wardrobe might need a rethink.

That cosy coat might cost you

We all love a puffer jacket. It’s warm, it’s fluffy, it cocoons you like a wearable duvet. But when it comes to driving, that extra padding could cause more harm than good. In fact, in the UK, drivers can be fined up to £5,000 and risk points on their licence if their clothing is deemed to hinder their ability to control the vehicle. That includes bulky coats.

The legal basis for this comes from Rule 97 of the Highway Code, which clearly states that drivers must wear clothing and footwear that allow them to use the controls comfortably. A thick puffer? Not exactly built for agility. You might feel ready to face a snowstorm, but you’re not exactly kitted out for precision steering.

The hidden risk in a crash

The issue isn’t just about limited movement. Experts warn that heavy outerwear can compromise the effectiveness of your seatbelt. When the belt has to squash layers of fabric before it touches your body, it delays its protective response in the event of a sudden stop or impact. Those extra milliseconds might not sound like much, but in a high-speed collision, they can be life-altering.

Michael Pfäffli, a road safety expert from AXA Insurance, explains it simply: “After a collision, the seatbelt first compresses the puffer jacket before doing its job on the body itself. That delay can be critical.” It’s the same problem with oversized jumpers, fluffy fleeces—or even, dare we say it, that novelty Santa costume you dust off every December.

What about other countries?

If you’re driving in France, for instance, you won’t face the same legal penalties. There’s no law against wearing bulky clothing behind the wheel. But that doesn’t mean it’s encouraged. Road safety professionals still advise swapping out oversized coats for slimmer, more fitted alternatives—think fleece jackets or softshell layers that keep you warm without restricting movement.

How to stay safe (and warm) this winter

Let’s be honest: no one’s asking you to freeze. But when it comes to winter driving, a few simple changes can make all the difference.

• Ditch the puffer before you start the engine. Layer up with thermal tops and a fitted jacket instead. Once the car heats up, you won’t miss it.

• Check your seatbelt fit every time. It should lie flat against your chest and hips, not bunched up on your coat.

• Keep a blanket in the boot just in case. If you break down or need extra warmth while parked, you’ll have it ready.

• And if you’re worried about the cold first thing in the morning? Warm up your car before you get in, rather than relying on your jacket to do all the heavy lifting.

Winter driving is already challenging enough without adding poor outfit choices into the mix. So before you zip up and head out, have a quick rethink at the front door. That puffer may be perfect for the school run or a frosty dog walk—but behind the wheel, less is definitely more.

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David Miller

David Miller is an entertainment expert with a passion for film, music, and series. With eight years in cultural criticism, he takes you behind the scenes of productions and studios. His energetic style guides you to the next big releases and trending sensations.