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Designer Swim Shorts.

Looking for the perfect pair of men's designer swim shorts? Then look no further than the smart and stylish selections available here at UnderU. Try our amazing collection of designer swim shorts and choose your favourite pair now. We offer a huge range of top quality men's swimwear including Calvin Klein swim shorts, Ralph Lauren, Armani, and Ted Baker swim shorts, all manufactured using the highest-quality fabrics, cutting-edge designs and with quick drying abilities. View our unique collection of colours, fabrics, shapes and styles today and choose your perfect pair.

| Versace | Calvin Klein | Boss | Emporio Armani | Hom | Replay |

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  • Benedict Swim Shorts, Black

    Benedict Swim Shorts, Black-Nikben-UNDERU
    Benedict Swim Shorts, Black-Nikben-UNDERU
    Nikben
    £53.99
    Now £53.99 Was £90.00 Save £36.01

  • Iconic Swim Shorts, Light Pink

    boss-mens-swim-shorts-light-pink
    boss-light-pink-mens-swim-shorts-side
    BOSS
    £32.99
    Now £32.99 Was £49.00 Save £16.01

  • Lobster Picnic Print Swim Shorts, Blue

    Franks-Lobster Picnic Print Swim Shorts, Blue-UNDERU
    Franks-Lobster Picnic Print Swim Shorts, Blue-UNDERU
    Franks
    £43.99
    Now £43.99 Was £75.00 Save £31.01

  • Seagulls Print Swim Shorts, Salty Blues

    Franks-Seagulls Print Swim Shorts, Salty Blues-UNDERU
    Franks-Seagulls Print Swim Shorts, Salty Blues-UNDERU
    Franks
    £43.99
    Now £43.99 Was £75.00 Save £31.01

  • Multicoloured Logo Swim Shorts, Black

    Emporio Armani-Multicoloured Logo Swim Shorts, Black-UNDERU
    Emporio Armani-Multicoloured Logo Swim Shorts, Black-UNDERU
    Emporio Armani
    £54.99
    Now £54.99 Was £85.00 Save £30.01

  • Logo Tape Swim Shorts, Navy

    Calvin Klein-Logo Tape Swim Shorts, Navy-UNDERU
    Calvin Klein-Logo Tape Swim Shorts, Navy-UNDERU
    Calvin Klein
    £35.99
    Now £35.99 Was £60.00 Save £24.01

  • Hotel Karl Swim Shorts, White

    Hotel Karl Swim Shorts, White-Karl Lagerfeld-UNDERU
    Hotel Karl Swim Shorts, White-Karl Lagerfeld-UNDERU
    Karl Lagerfeld
    £46.99
    Now £46.99 Was £79.00 Save £32.01

  • Vert Horizon Block Stripes Swim Shorts, Blue/pink

    Vert Horizon Block Stripes Swim Shorts, Blue/pink-O'Neill-UNDERU
    Vert Horizon Block Stripes Swim Shorts, Blue/pink-O'Neill-UNDERU
    O'Neill
    £25.99
    Now £25.99 Was £45.00 Save £19.01

  • Brighton Photographic Print Swim Shorts, Blue/multi

    Brighton Photographic Print Swim Shorts, Blue/multi-Paul Smith-UNDERU
    Brighton Photographic Print Swim Shorts, Blue/multi-Paul Smith-UNDERU
    Paul Smith
    £65.99
    Now £65.99 Was £130.00 Save £64.01

  • Tortuga Swim Shorts, Medium Blue

    HUGO-Tortuga Swim Shorts, Medium Blue-UNDERU
    HUGO-Tortuga Swim Shorts, Medium Blue-UNDERU
    HUGO
    £44.99
    Now £44.99 Was £69.00 Save £24.01

  • Abas Side Logo Swim Shorts, Aqua Blue

    HUGO-Abas Side Logo Swim Shorts, Aqua Blue-UNDERU
    HUGO-Abas Side Logo Swim Shorts, Aqua Blue-UNDERU
    HUGO
    £36.99
    Now £36.99 Was £59.00 Save £22.01

  • Seersucker Swim Shorts, Kiwi Green

    Franks-Seersucker Swim Shorts, Kiwi Green-UNDERU
    Franks-Seersucker Swim Shorts, Kiwi Green-UNDERU
    Franks
    £43.99
    Now £43.99 Was £75.00 Save £31.01

  • Bananas Print Swim Shorts, Blue

    Franks-Bananas Print Swim Shorts, Blue-UNDERU
    Franks-Bananas Print Swim Shorts, Blue-UNDERU
    Franks
    £43.99
    Now £43.99 Was £75.00 Save £31.01

  • Contrast Waistband Longer-Length Swim Shorts, Fuchsia/black

    Jockey-Contrast Waistband Longer-Length Swim Shorts, Fuchsia/black-UNDERU
    Jockey-Contrast Waistband Longer-Length Swim Shorts, Fuchsia/black-UNDERU
    Jockey
    £20.99
    Now £20.99 Was £30.00 Save £9.01

  • Coloured Stripes Swim Shorts, Berry

    Ermenegildo Zegna-Coloured Stripes Swim Shorts, Berry-UNDERU
    Ermenegildo Zegna-Coloured Stripes Swim Shorts, Berry-UNDERU
    Ermenegildo Zegna
    £110.99
    Now £110.99 Was £195.00 Save £84.01

  • Embroidered Side Logo Swim Shorts, Rich Blue

    Embroidered Side Logo Swim Shorts, Rich Blue-Diesel-UNDERU
    Embroidered Side Logo Swim Shorts, Rich Blue-Diesel-UNDERU
    Diesel
    £49.99
    Now £49.99 Was £85.00 Save £35.01

  • Flipper Print Swim Shorts, Sky Blue

    Flipper Print Swim Shorts, Sky Blue-Franks-UNDERU
    Flipper Print Swim Shorts, Sky Blue-Franks-UNDERU
    Franks
    £49.99
    Now £49.99 Was £85.00 Save £35.01

  • Antartic Orca Print Swim Shorts, Antarctic Blue

    Antartic Orca Print Swim Shorts, Antarctic Blue-Franks-UNDERU
    Antartic Orca Print Swim Shorts, Antarctic Blue-Franks-UNDERU
    Franks
    £49.99
    Now £49.99 Was £85.00 Save £35.01

  • Side Logo Swim Shorts, Bright Yellow

    Side Logo Swim Shorts, Bright Yellow-Replay-UNDERU
    Side Logo Swim Shorts, Bright Yellow-Replay-UNDERU
    Replay
    £27.99
    Now £27.99 Was £45.00 Save £17.01

  • Ikonic Print Swim Shorts, Yellow

    Ikonic Print Swim Shorts, Yellow-Karl Lagerfeld-UNDERU
    Ikonic Print Swim Shorts, Yellow-Karl Lagerfeld-UNDERU
    Karl Lagerfeld
    £46.99
    Now £46.99 Was £79.00 Save £32.01

  • Killer Whales Swim Shorts, Pastel Pink

    Killer Whales Swim Shorts, Pastel Pink-Apres-UNDERU
    Killer Whales Swim Shorts, Pastel Pink-Apres-UNDERU
    Apres
    £19.99
    Now £19.99 Was £40.00 Save £20.01

  • Stars & Stripes Print Swim Shorts, Navy/Red/White

    Stars & Stripes Print Swim Shorts, Navy/Red/White-Tommy Hilfiger-UNDERU
    Stars & Stripes Print Swim Shorts, Navy/Red/White-Tommy Hilfiger-UNDERU
    Tommy Hilfiger
    £34.99
    Now £34.99 Was £60.00 Save £25.01

  • South Cape Floral Print Swim Shorts, Blue/Pink

    South Cape Floral Print Swim Shorts, Blue/Pink-Oiler & Boiler-UNDERU
    South Cape Floral Print Swim Shorts, Blue/Pink-Oiler & Boiler-UNDERU
    Oiler & Boiler
    £20.99
    Now £20.99 Was £38.00 Save £17.01

  • Classic Beach Swim Shorts, Red

    Classic Beach Swim Shorts, Red-Jockey-UNDERU
    Classic Beach Swim Shorts, Red-Jockey-UNDERU
    Jockey
    £17.99
    Now £17.99 Was £26.00 Save £8.01

  • Allover Palm Print "Pool Side" Swim Shorts, Black/green

    Allover Palm Print
    Allover Palm Print
    Scotch & Soda
    £47.99
    Now £47.99 Was £85.00 Save £37.01

  • Surf Club Side Stripe Swim Shorts, Navy

    Surf Club Side Stripe Swim Shorts, Navy-Jockey-UNDERU
    Surf Club Side Stripe Swim Shorts, Navy-Jockey-UNDERU
    Jockey
    £29.99
    Now £29.99 Was £45.00 Save £15.01

  • Yarn Dyed Check Leisure 16" Swim Shorts, Charcoal/Navy

    Yarn Dyed Check Leisure 16
    Yarn Dyed Check Leisure 16
    Speedo
    £15.99
    Now £15.99 Was £24.00 Save £8.01

  • Beach Boxer Shorts, Orange

    Beach Boxer Shorts, Orange-Drogba & Co. by HOM-UNDERU
    Beach Boxer Shorts, Orange-Drogba & Co. by HOM-UNDERU
    Drogba & Co. by HOM
    £26.99
    Now £26.99 Was £49.00 Save £22.01

  • Fab Logo Tape Swim Shorts, Black

    HUGO-Fab Logo Tape Swim Shorts, Black-UNDERU
    HUGO-Fab Logo Tape Swim Shorts, Black-UNDERU
    HUGO
    £42.99
    Now £42.99 Was £69.00 Save £26.01

  • Eagle Logo Swim Shorts, Black

    Emporio Armani-Eagle Logo Swim Shorts, Black-UNDERU
    Emporio Armani-Eagle Logo Swim Shorts, Black-UNDERU
    Emporio Armani
    £41.99
    Now £41.99 Was £65.00 Save £23.01

  • Embossed Sailboats Seersucker Swim Shorts, Navy

    Franks-Embossed Sailboats Seersucker Swim Shorts, Navy-UNDERU
    Franks-Embossed Sailboats Seersucker Swim Shorts, Navy-UNDERU
    Franks
    £43.99
    Now £43.99 Was £75.00 Save £31.01

  • Seersucker Swim Shorts, Seafoam Blue

    Franks-Seersucker Swim Shorts, Seafoam Blue-UNDERU
    Franks-Seersucker Swim Shorts, Seafoam Blue-UNDERU
    Franks
    £43.99
    Now £43.99 Was £75.00 Save £31.01

  • Lobster Print Swim Shorts, Navy

    Franks-Lobster Print Swim Shorts, Navy-UNDERU
    Franks-Lobster Print Swim Shorts, Navy-UNDERU
    Franks
    £43.99
    Now £43.99 Was £75.00 Save £31.01

  • Lauderdale Flamingoes Photographic Print Swim Shorts, Blue

    Lauderdale Flamingoes Photographic Print Swim Shorts, Blue-Franks-UNDERU
    Lauderdale Flamingoes Photographic Print Swim Shorts, Blue-Franks-UNDERU
    Franks
    £41.99
    Now £41.99 Was £75.00 Save £33.01

  • Rue St. Guillaume Swim Shorts, Black

    Rue St. Guillaume Swim Shorts, Black-Karl Lagerfeld-UNDERU
    Rue St. Guillaume Swim Shorts, Black-Karl Lagerfeld-UNDERU
    Karl Lagerfeld
    £46.99
    Now £46.99 Was £79.00 Save £32.01

  • Rue St. Guillaume Swim Shorts, White

    Rue St. Guillaume Swim Shorts, White-Karl Lagerfeld-UNDERU
    Rue St. Guillaume Swim Shorts, White-Karl Lagerfeld-UNDERU
    Karl Lagerfeld
    £46.99
    Now £46.99 Was £79.00 Save £32.01

Designer Swim Shorts. Overview

Stylish Designer Swim Shorts for Every Occasion

Our designer swimwear combine fashion-forward designs with practicality, ensuring you look stylish while staying comfortable. Whether you prefer a classic, minimalist design or bold, eye-catching prints, our range of swim shorts offers something for everyone. These pieces are crafted from quick-drying fabrics, making them ideal for swimming, sunbathing, and everything in between.

For a sleek and luxurious look, check out our Versace Swimwear, known for its bold designs and impeccable craftsmanship.

Comfortable Fit for All-Day Wear

Comfort is key when it comes to designer swimming shorts, and our selection offers both style and support. The adjustable waistbands and lightweight fabrics ensure a comfortable fit that moves with you. Whether you're diving into the water or lounging by the pool, these swim shorts provide all-day comfort without sacrificing style.

For a classic yet comfortable fit, explore the BOSS Men's Swimwear collection, designed for men who value both elegance and practicality.

Durable Fabrics for Long-Lasting Swim Shorts

Investing in high-quality designer swimming trunks means choosing pieces that are built to last. Our range is made from durable fabrics designed to withstand frequent exposure to saltwater, chlorine, and UV rays, ensuring your designer swim shorts maintain their vibrant colours and structure even after multiple wears. Reinforced stitching and premium materials ensure these swim shorts will be a staple in your summer wardrobe for years to come.

For swimwear that stands the test of time, check out Karl Lagerfeld Swimming Trunks, offering long-lasting quality and sleek designs.

Designer Swim Shorts. FAQ

What makes designer swim shorts different from regular swimwear?

Designer swim shorts offer a higher level of craftsmanship, premium fabrics, and unique designs that set them apart from regular swimwear. Brands like Versace and DSquared focus on both style and durability, making these swim shorts a long-lasting investment.

Are designer swim shorts comfortable for all-day wear?

Yes, our designer swim shorts are made from lightweight, breathable fabrics that ensure comfort throughout the day. Many styles feature adjustable waistbands, allowing you to personalise the fit for maximum comfort.

How do I care for my designer swim shorts?

To maintain the quality of your designer swim shorts, it’s recommended to rinse them in cold water after each use and air dry them. Avoid using high heat when washing or drying to preserve the fabric’s durability and colour.

Can designer swim shorts be worn with casual clothes?

Yes, many designer swim shorts are stylish enough to be worn with casual clothing. Their quick-drying fabrics and comfortable fit make them ideal for transitioning from the beach to casual outings.

Do designer swim shorts come with pockets?

Yes, many designer swim shorts feature practical side or back pockets, allowing you to carry small essentials while on the go.

What is your Delivery Time?

For all of our delivery information please check out our Delivery Policy

Is this all the products you have?

We are constantly updating and adding to our collection - but if you are trying to find something and its just not here - please reach out and we'll see what we can do!

Brands We Stock
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