A gentle, sun-dappled meditation on love, life, family, summer and really good Ralph Lauren shirts set in the cobbled streets and cool waters of 1983 Northern Italy, Luca Guadagnino's Call Me By Your Name was the darling of the 2017 indie festival circuit, earning plaudits for everything from its stirring and sensitive portrayal of love and futility to its quietly evocative Sufjan Stevens soundtrack.

And did we mention the shirts?

While the film itself is a triumph (expect at least one Oscar... at least), it also serves as a 132 minute long style guide to everything that we're going to be wearing come spring / summer 2018, with Eighties prep, pastel colours and Oxford shirts blithely opened to the Mediterranean sun (or a packed rooftop bar in Paddington) all set to be huge come the (slightly) warmer months.

In the name of (almost) Oscar's season and the distant optimism of spring, here are all the style lessons to be learned from CMBYN.

Now all you need is an Italian villa and a doomed love affair.

Simple.

1 | You Need A Short-Sleeve Shirt

Sony Classics

Ok, sure, sure, Armie Hammer might not be quite the fairest person to compare oneself to when it comes to modelling shirts. But if you come away from a viewing of CMBYN without some kind of itch for a powder blue short-sleeved Oxford then you should probably go and get yourself checked out.

Worn loose, unbuttoned and, preferably, with a gold watch (and bracelet if you're feeling brave), the look here is bright, relaxed with just a hint of insolence. Like you've just got back from a dip in Lake Garda and thrown something on before heading for an Aperol in town.

Easy, yeah?

Mr Porter / END Clothing

Organic Cotton And Linen Shirt, £110 by Oliver Spencer at Mr Porter; Mael Bracelet, £89 by A.P.C. at End Clothing; Linen Drawstring Trousers, £550 by Brunello Cucinelli at Mr Porter; Webbing-Trimmed Leather Loafers, £540 by Gucci at Mr Porter

2 | Dress Like You Have A Membership To A Boat Club

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Along with the whole Oxford vibe, Armie Hammer's Oliver is all about the Princeton Yacht Club aesthetic (probably exists, right?), with an increasingly sharp and preppy array of bright pastel shirts, off-white shorts, brass-buckled leather belts and even the occasional boat shoe slipped on for jaunts into town.

The secret to getting prep right without looking like one of those Kennedy siblings that nobody cared about is in the fit (relaxed, relaxed, relaxed). Avoid anything too slim-fitting or neat. Think scuffed loafers with the backs stamped down, artfully wrinkled linen shirts and enough stubble to make it look like you've just got back from a long weekend in Verona.

Mr Porter

Riviera Slim-Fit Polo Shirt, £85 by Sunspel at Mr Porter; Brown Leather Belt, £155 by Dries Van Noten at Mr Porter; Stretch-Cotton Twill Shorts, £120 by Barena at Mr Porter; Burnished-Leather Boat Shoes, £85 by Sperry Top-Sider at Mr Porter

3 | Denim Is Pale, Relaxed And Doubled Up

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While Hammer steals most of the style limelight, it's Timothée Chalamet's precocious and confused Elio who has by far the best denim and outwear wardrobe (great hair flow, too), demonstrating the retro cuts and colourways that we'll be rocking come summertime.

Despite being set in the Eighties, the denim on show could easily be mistaken for current season, with loose fits, cropped finishes and pale vintage washes all adding to the film's overall insouciance.

And don't be scared to double up on blue denim, as long as you follow Chalamet's lead and add an artfully untucked shirt or striped tee in for some contrast.

Mr Porter / END Clothing

Denim Jacket, £210 by Sandro at Mr Porter; Military Stripe Tee, £50 by Norse Projects at End Clothing; Petit Standard Slim-Fit Selvedge Denim Jeans, £185 by A.P.C. at Mr Porter; Superstar Distressed Leather and Suede Sneakers, £290 by Golden Goose Deluxe Brand at Mr Porter

4 | Shorts Are... Pretty Short (And Colourful)

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With so much time spent by the pool, on the volleyball court and generally lounging in the haze and heat of Italian summer, you can bet that there are some pretty incredible and covetable styles of shorts on display in CMBYN.

Paired with the overall billow and shape of the upper layers, the shorts in question are above the knee, fitted and as heavily-patterned as possible (we expect Orlebar Brown to do some serious business this summer).

Time to undo all the buttons on the Oxford, grab a fixie bike and cruise.

Mr Porter

Contrast-Trimmed Cotton Jersey T-Shirt, £95 by Drake at Mr Porter; Round-Frame Acetate and Gold-Tone Sunglasses, £215 by Persol at Mr Porter; Bulldog Mid-Length Printed Swim Shorts, £225 by Orlebar Brown at Mr Porter; Striped Rubber Slides, £145 by Gucci at Mr Porter

5 | Tuck Everything In

Sony Classics

We're talking t-shirts, camp-collar shirts, Oxford shirts and shirt shirts. Whatever you're wearing up top this year, it can, and should, be tucked in. It doesn't even matter if you're sporting a little extra belly baggage. That just adds to the good times ,"one more arancini, signore!" vibe.

Invest in a pair of trousers (pleated, preferably) with a slightly higher waist than usual. And don't be scared to size up on your shirt for a proper laidback-but-still-smart final look. A bit like Michael Stuhlbarg's laidback-but-still-smart university professor outfit above.

Horn-rimmed glasses, subtly scruffy beard and exhaustive knowledge of ancient civilisations... optional.

Mr Porter

Camp-Collar Linen Shirt, £260 by Caruso at Mr Porter; Folk Tapered Pleated Cotton Trousers, £180 by Folk at Mr Porter; Brown Leather Belt, £90 by Hugo Boss at Mr Porter; Suede Desert Boots, £320 by Tod's at Mr Porter

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