2025 Summer Outfit Trends: What’s In?

summer-outfits-2025

After spending a week researching 2025 summer outfit trends, it’s not safe to say that my eyes and brain have probably given up on me. Eyes, obviously. And brain, well, some trends just don’t match my freak.

For me, the old money style is the ultimate classic — and trendy.

2025 summer outfit

Hated the wave of fast-fashion neon prints, overly distressed denim, and synthetic fabrics. I won’t recommend any of that to you, either.

However, I have carefully put together some fashionable and elegant choices that exude old money and sophistication.

Let’s have a look.

  1. The Puff Sleeve Top: Riviera-Inspired Femininity

Balloon sleeves give off undoubtedly the most feminine and soft power look. I personally adore puff sleeves with a tailored cut — structured, not overdone. While going over some brands, I stumbled upon the prettiest heart-shaped neckline and a waist bow white top. 

The Portuguese craftsmanship ensures quality, and the ecru hue channels Riveria sophistication. This Rouje top should definitely be a staple in 2025.

Style Tip: Pair with high-waisted linen trousers or a midi skirt for a polished daytime look.

balloon-sleeve-top

Shop The Look: Rouje Edda Top

  1. The Boston Striped Vest: Modern Tailoring, Vintage Soul

A well-stitched sleeveless boston striped vest is a staple for brunch and the office wardrobe. A fitted cut automatically refines the whole look, making it old money friendly. Pick one with a rounded neckline and wide-legged pants to evoke 1970s minimalistic chic

The lightweight linen fabric ensures comfort and breathability, making it perfect for layering or wearing on its own. The structured silhouette of the top and a button-through closure at the front make it our top choice.

Style Tip: Cinch the back waist tie to accentuate your shape and pair with loafers for a modern look.

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Shop The Look: Dissh Striped Vest

  1. The Floral Corset Sundress: Garden Party Perfection

A sundress is all a girl needs during summer. Florals are back in 2025 with a full swing, and they are here to stay. A light colored sundress with a floral print is perfect for garden parties and coastal weddings, giving off a charm like no other. 

Corsets were once used decades ago, but now many designers have started incorporating them into variable silhouettes (their breathable versions of course!)

Style Tip: Pair with leather sandals and a straw tote for sunlit sophistication.

floral-dress-summer

Shop The Look: Floral Corset Sundress

  1. The Casual Silk T-Shirt: Everyday Opulence

After cotton, linen, and jersey shirts, we have seamlessly switched to using the elegant fabric, silk — casually. A casual silk shirt is not that casual. Wearing it will feel luxurious and effortless. 

You can pick up a long-sleeved silk button-down as well. But, for daily wear such as brunches and lunch parties, a loose-fit silk tee with short sleeves and a classic collar works just fine. The fit is versatile enough to dress up with trousers or pants. 

Style Tip: Layer under a blazer for office-to-dinner transitions and jeans for everyday wear.

silk-shirt-summer-outfit

Shop The Look: LilySilk Silk T-Shirt 

  1. The Seraph Bodice Dress: Practical Elegance

Mid-waist and drop-waist dresses are in this season. For casual fits, a long bodice dress with a flared skirt is perfect for daytime activities. Side slash pockets and a timeless design make the dress old money and practical. 

Ralph Lauren’s Henley bodice dress is made of organic cotton, a ribbed bodice, and a flared silhouette

Style Tip: Pair with espadrilles for daytime or heeled mules for evening.

flared-dress-summer-outfit-2025

Shop The Look: Ralph Lauren Seraph Dress 

  1. The Polo Collar Cardigan: Effortless Evening Polish

A black cardigan never goes out of style. With a polo collar and some extra details, the look can be upscaled. The Rouje polo neck cardigan has openwork details, mother-of-pearl buttons, and a ruffled hem. The short sleeves and the hem give it an old money appeal.

 Furthermore, the addition of subtle bows adds whimsy without sacrificing refinement.

Style Tip: Layer over a slip dress for evening or with a midi skirt.

black-cardigan-top

Shop The Look: Rouje Danaelle Cardigan

  1. The Polka Dot Midi: Vintage European Charm

The polka dot midi dress channels the refined charm of mid-century European leisure. The full skirt, cut to a modest length, evokes the grace of 1950s garden parties, while the dotted pattern nods to vintage French chocolatier aprons and Audrey Hepburn’s playful yet polished wardrobe.

Style Tips: Pair with kitten heels or polished loafers and pearl earrings.

polka-dot-midi-dress

Shop The Look: MyTheresa Polka Dot Dress 

  1. The Vested Set: Rebellious Refinement

This tailored vest and short skirt set showcases utility with a touch of rebellious youth. The structured vest, inspired by menswear archives and equestrian tailoring, features notched lapels and a fitted silhouette — reminiscent of Ivy League blazers. Paired with a high-waisted, pleated skirt (cut just above the knee), it embodies the old money style of sharp yet feminine.

Style Tip: Wear with leather riding boots or strappy sandals for contrast. Add a wide-brimmed hat for an extra chic look.

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Shop The Look: Meshki Vested Set

  1. Wave-Trim Midi Dress

When it comes to styling the perfect 2025 summer outfit, the right midi dress can do it all! We want something that goes with everything: garden parties, beachside dinner or for a random sunny day. This Asher Midi Dress is a standout choice. 

The contrasting wave-trim adds a unique and contour to the sides, waistline and shoulders – creating a flattering silhouette. Created from midweight crepe, the dress has a polished finish. The wave straps and squared neckline adds a modern and feminine touch to your look.

Style Tip: Go with a slicked back ponytail for a refined look. Wear a statement bracelet and a stack of rings to stand out.

wave-midi-dress

Shop The Look: Reiss Wave Trim Midi Dress

  1. The Blazer Dress: Power Suit For Office

A button up mini dress redefines the workplace wardrobe giving power and femininity at once. The soft Japanese crepe fabric makes it wrinkle-free and gives a polished finish for outdoor events. Corporate women can adorn this mini dress perfectly for a casual chic look.

The Aria dress from Aritzia has a princess seam and classic fit for shaping. An hour glass figure is just a cherry on top for this look.

Style Tip: Pair with pointy heels and statement earrings for a bold look.

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Shop The Look: Aritzia Button Up Mini Dress

  1. Flowy Dress With A Sweetheart Neckline

Summer dresses and prints are in this season. The flowy summer dress embodies old money charm with its delicate sweetheart neckline. Sweetheart necklines were popularized by icons like Jacqueline Kennedy in the 50s — perfectly giving off refined luxury and understated sophistication. 

The beautiful dress is suitable for warm weather occasions and daily wear. Cotton and crepe works best with the silhouette, combined with pastels and muted florals that exude vintage glamour.

Style Tip: Pair with pearls and clutch for effortless grace. 

summer-dress-old-money

Shop The Look: Bryson Dress from Reformation

Ready to embrace quiet luxury this summer? Which look is your favorite? Let us know in the comments!

P.S. If you love timeless elegance, you’ll also enjoy these European summer outfit ideas for 2025 — curated with an old money twist.

About the Author

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Marija

Marija shares a slower approach to style from her home in Italy — one built on quality, quiet confidence, and a love for what lasts.

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