Our experts answer your most pressing style questions.

You may have noticed that the MR PORTER site is chock-full of new-season product right now. It may still be summer for a few more weeks (let’s hope), but now is the time to cannily invest for autumn/winter, before it all sells out in your size. To point you in the right direction, this week we look at the major trends to look out for. One item that will never go out of style is a blue denim jacket. As the weather cools, you may start reaching for light layers such as this. We suggest some ways to style it to keep yours looking fresh. And finally, we examine whether it is acceptable for men to wear jewellery.

As ever, keep your questions coming via the usual social media channels or directly on email to dan.rookwood@mrporter.com and we’ll answer three of the best each Friday.

**Which major new-season trends are worth investing in? **Mr Martin Jimenez, via email

If you go to the What’s New tab at the top left of MR PORTER’s homepage, you will see an overview of the latest Trends pop up on a drop-down menu. This is a distillation of the key themes to have emerged from the menswear shows for the upcoming season, as deduced by a brains trust comprising our editors and buyers. We will be covering each of these in detail in the coming weeks in The Daily, but here is the most cursory of overviews by way of a quick intro.

The 1990s are back in big way, one might assume because the generation who grew up in that decade is now in creative control. This has resulted in a grown-up take on streetwear and a return to 1990s sportswear silhouettes. Brands to look out for include Vetements, Gucci, Valentino and Stüssy.

Also expect to see plenty more pleated, wider-legged trousers, which are slightly cropped (Gucci once again, Acne Studios, Rick Owens).

There is also a nod to the 1970s in terms of the re-emergence of corduroy and velvet (Gucci, Prada, Margaret Howell, Folk) and various shades of brown.

If you’re looking to invest in a coat, consider a down jacket (Moncler is the go-to) or a full-length, belted great coat (Burberry Prada, Balmain), especially in a bold pattern such as a Prince of Wales check or herringbone.

And if you want to make a real statement, do so with some graphic knitwear (Givenchy, Dries Van Noten, Prada and, yes, Gucci again), especially in a standout “pop” colour.

What to wear with a blue denim jacket? ** @dominikeitel via Instagram**

It’s one of the most versatile items in a man’s wardrobe, as adroitly demonstrated by last week’s Journal cover star, Mr Justin Theroux. It’s a useful transitional layer as we move from summer to autumn. And we have 27 blue denim jackets on offer, each with its own styling suggestions, courtesy of our fashion editors, so there are plenty to choose from.

Blue denim goes well with olive green, tan/camel, grey, white and navy blue. You could wear it most simply over a marl-grey loopback sweatshirt or hoodie, or with a roundneck cashmere or merino sweater. It is an easy layer over most T-shirts, but looks especially cool over a plain white or Breton-striped T-shirt.

On the bottom half, try olive or navy chinos, cords or tapered sweatpants. A denim jacket can also work as a layering piece underneath a grey, navy or camel overcoat. It can even soften a more formal look when worn under an unlined navy or grey blazer, as demonstrated in this week’s Journal, with grey flannel trousers and suede Chelsea boots.

If you choose to go double-denim, the safest way to do it is to wear a contrasting and preferably darker hue of blue jeans and leave a T-shirt untucked to give a line of separation between the denim.

As well as wearing it loose and unbuttoned, try wearing your denim jacket with the top two buttons done up.

**Should men wear jewellery? ** Mr Ali Majid, via email

If you have to ask this question, then it suggests this is something you’re not entirely confident about. In which case, my answer would be: yes, but sparingly.

The men who wear jewellery well are the ones who don’t have to think about it and who aren’t self-conscious. It’s just part of who they are because they’re into a certain type of music or subculture. Once again, I would reference Mr Theroux here – the rings, necklace and bracelets he wears in our shoot are his own.

The jewellery you wear communicates a lot about you. It lets people know whether or not you are married (wedding ring), religious (crucifix pendant), from a well-to-do family (crested signet ring), a flash Harry (diamond-encrusted bling), a minimalist (brushed-steel cuff). Or if you have a penchant for death metal (skull ring) or suffer from stiff joints (copper bracelet).

The Instagram trend for an arm-party of various bracelets seems to have abated in recent years, at least outside Pitti. Now it’s more acceptable to wear just one or two, max. However, recent menswear fashion shows from Gucci, Bottega Veneta, Givenchy and Balmain have featured some statement jewellery, particularly chunky rings and necklaces, so we can expect to see plenty man-jewellery over the next year or so.

If you are taking some tentative steps in this area, I advise starting with something subtle, such as a simple pendant on a chain. It seems to work pretty well for Mr Ryan Gosling.

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