The sun is shining, the water is calling – and you want to enjoy the day outdoors without constantly worrying about sunburn. A UV swimsuit gives you exactly this freedom. It reliably protects your skin from harmful UV radiation and at the same time allows you to move freely in the water. Especially for children, people with sensitive skin, or anyone who spends a lot of time by the water, a UV swimsuit is more than just practical – it's an important part of sun protection that feels comfortable and looks good.

What makes a UV swimsuit special

A UV swimsuit fundamentally differs from conventional swimwear. The fabric is specially designed to block ultraviolet rays.

The UPF value explained

The UPF (Ultraviolet Protection Factor) value tells you how much UV radiation the material lets through. A UPF 50+ means that only one-fiftieth of the radiation penetrates – which corresponds to approximately 98 percent protection. For comparison: How effective UV clothing protects compared to sunscreen is clearly shown in numerous studies.

Conventional swimsuits usually offer only a UPF of 5 to 10, depending on color and material. A special UV swimsuit, on the other hand, is designed to provide constant protection – even when wet.

Material and workmanship

The fabrics are often made of tightly woven synthetic fibers such as polyester or polyamide. Many manufacturers are now using recycled materials, which are both sustainable and functional.

  • Dense weave structure prevents the penetration of UV rays
  • Quick-drying fabric remains skin-friendly even when wet
  • Elastic fibers ensure freedom of movement when swimming
  • Flat seams prevent chafing and increase comfort

Workmanship plays a crucial role. High-quality UV swimsuits have no thin spots or gaps through which the sun could penetrate.

UV-Schutz Materialstruktur

Who benefits from a UV swimsuit?

The answer is simple: almost everyone who spends time in or by the water. However, it becomes particularly important for certain groups.

Children and babies

Children's skin is thinner and more sensitive than adult skin. A UV swimsuit gives parents the assurance that their little ones are protected – even if they spend hours digging in the sand or playing in shallow water. Carefree swimming fun with UV protection clothing for children is indispensable, especially in the first years of life.

The Kai Baby Swimsuit with a full-length zipper makes dressing and undressing a breeze. With UPF 50+, it offers maximum protection, and thanks to soft, sustainable materials, it feels comfortable on delicate baby skin.

Kai Baby Badeanzug - MAIN Design - Your Daily Dose Of Summer

Water sports enthusiasts and active vacationers

Surfing, stand-up paddling, snorkeling – those who spend a long time outdoors need reliable protection. A UV swimsuit stays put long after sunscreen has washed off. Properties of swimsuits for windsurfing show that UV protection and freedom of movement must go hand in hand.

People with sensitive or fair skin

Those who burn easily or are prone to skin irritations benefit enormously from a UV swimsuit. It reduces the amount of sunscreen you need, thereby also protecting your skin from chemical ingredients.

Target Group Special Advantage Recommended UPF
Babies & Toddlers Constant protection without reapplication UPF 50+
Water Sports Enthusiasts Protection during long periods in water UPF 40-50+
Fair Skin Types Reduced risk of sunburn UPF 50+
Sun Allergy Sufferers Less chemical sunscreen needed UPF 50+
Active Vacationers All-day protection without interruption UPF 40-50

Design and comfort combined

A UV swimsuit doesn't have to look clinical or sporty. Modern designs show that sun protection and style are not mutually exclusive.

Cuts and silhouettes

From sporty one-pieces with back cut-outs to feminine models with ruching – the selection is vast. Long-sleeved versions protect arms and shoulders, while short sleeves offer more freedom of movement.

Some UV swimsuits have integrated bottoms, others combine a top and shorts. For women, there are tankinis that cover the stomach and back, for men, close-fitting rashguards. The fit should be snug enough not to slip, but never constricting.

Colors and patterns

Dark colors generally offer higher UV protection than light ones, but for special UV swimsuits, color plays a lesser role – the protection comes from the material. Nevertheless, rich tones like navy blue, black, or dark green are popular. Light pastel shades and cheerful patterns make children's swimsuits particularly attractive.

Sustainable brands like MAIN Design focus on timeless colors and minimalist designs that last for several seasons.

UV-Badeanzug Styling

Care and longevity

A UV swimsuit will last for years if you treat it correctly. The protective function remains intact as long as the material is undamaged.

Proper washing

After each wear, you should rinse your UV swimsuit with clear, cold water. Chlorine, salt water, and sunscreen can damage the fibers. Detailed care instructions for UV protective clothing will help you extend its lifespan.

  1. Rinse immediately after swimming – preferably still on the beach or by the pool
  2. Prefer hand washing in lukewarm water with mild detergent
  3. Do not wring or twist – gently squeeze out
  4. Dry flat in the shade – never in direct sunlight
  5. Do not use fabric softeners – they can impair the UV protection function

Tips from dm for washing bikinis also apply to UV swimsuits, with special attention to gentle treatment.

What you should avoid

  • Dryer: Heat destroys elastic fibers
  • Direct sunlight when drying: Fades colors and weakens the material
  • Aggressive detergents: Attack the protective layer
  • Storage in a damp condition: Promotes mold and odor formation

How swimsuits stay in shape can also be achieved with simple measures: Let your UV swimsuit dry completely between uses and store it flat or loosely folded.

Sustainability and environmental awareness

UV swimsuits made from recycled materials not only protect your skin but also the environment. More and more manufacturers are using Econyl, Repreve, or other recycled fibers from fishing nets, plastic bottles, or industrial waste.

Why recycled materials?

The fashion industry is one of the biggest polluters. Swimwear made from recycled fabrics reduces waste, saves resources, and lowers the carbon footprint. Sustainable swimwear shows that functionality and environmental protection are compatible.

  • Econyl is made from ghost nets and nylon waste
  • Repreve is made from recycled PET bottles
  • Both materials offer the same quality as new goods
  • The UV protection remains fully intact

Less sunscreen, more marine protection

UV protective swimsuits for women reduce the need for sunscreen. This not only protects your skin but also coral reefs. Chemical filters in sunscreens damage marine ecosystems – a UV swimsuit is the simplest solution.

Aspect Conventional swimwear + sunscreen UV swimsuit
Sunscreen consumption High (reapply every 2 hours) Minimal (only uncovered areas)
Environmental impact Chemicals in water No additional substances
Longevity Fashion wear and tear Multi-year use
Long-term cost Continually buying sunscreen One-time investment
Protection in water Decreases Remains constant

Combination with other UV protection products

A UV swimsuit is an important component, but not the only one. Combine it with other measures for all-round protection.

Accessories complement protection

  • UV sun hats with a wide brim protect your face and neck
  • Sunglasses with UV filter protect your eyes
  • Light cover-ups like kimonos offer additional protection when relaxing
  • Water shoes protect feet from hot sand and stones

An airy kimono over a UV swimsuit is ideal for the walk to the water or a lunch break in the shade. It can be thrown on quickly and dries almost as fast as the swimsuit itself.

Targeted use of sunscreen

Even with a UV swimsuit, you will need sunscreen – but significantly less. Apply it to your face, hands, feet, and all exposed skin areas. This way, one bottle lasts much longer, and you save money and packaging waste.

Kompletter UV-Schutz

Buying criteria for your perfect UV swimsuit

The selection is huge. With a few clear criteria, you'll find the model that suits you.

Size and fit

A UV swimsuit should fit snugly without pinching. Models that are too loose can slip in the water and leave exposed areas. Measure yourself and compare with the manufacturer's size chart. Note: Synthetic fabrics barely stretch, so the right size is important from the start.

For children, it's worth buying one size larger if they are between two sizes. They grow quickly, and a slightly larger UV swimsuit will still fit well with adjustable straps.

Recognizing quality

  • Even seams without loose threads
  • Robust zippers on long-sleeved models
  • No thin spots in the fabric
  • UPF certification on the label

Whether swimsuits with UV protection offer additional features largely depends on the workmanship. High-quality models combine protection with comfort and durability.

Price-performance ratio

A good UV swimsuit costs more than a simple swimsuit – but it also lasts longer and saves you sunscreen. Expect to pay 40 to 100 Swiss francs for adults, 25 to 60 Swiss francs for children. Sustainable models made from recycled materials are often in the higher price segment but offer ecological added value.

Special models for different needs

Depending on what you plan to do, different cuts are suitable.

For active sportswomen

A sporty UV swimsuit with a racerback and a stable fit is ideal for surfing, swimming, or beach volleyball. It won't slip, fits like a second skin, and allows you to move freely.

For relaxed beach days

Feminine models with ruching, underwire, or waist details are perfect if you primarily lie on the beach and occasionally go into the water. They combine UV protection with an elegant look.

For families: Matching Mom and Mini

Matching Mom and Mini swimwear – matching UV swimsuits for mother and child – is becoming increasingly popular. This not only looks cute but also shows that sun protection is important for all generations.

Frequently asked questions about UV swimsuits

How long does UV protection last?

As long as the material is intact, the protection remains. Unlike sunscreen, there is no expiration date. Look out for signs of wear and tear such as thin spots, tears, or heavily faded colors – then it's time for a new one.

Can I wear a UV swimsuit in fresh water?

Absolutely. UV swimsuits are equally suitable for the sea, pool, lake, and river. After wearing in chlorinated water, thorough rinsing is particularly important, as chlorine attacks the fibers more intensely.

Is a UV swimsuit also useful on cloudy days?

Yes. Up to 80 percent of UV radiation penetrates clouds. A UV swimsuit reliably protects you even on grey days.

How does a UV swimsuit differ from a wetsuit?

A wetsuit is significantly thicker and designed for cold water. It also offers UV protection but is far too warm for hot summer days. A UV swimsuit is light, quick-drying, and comfortable in high temperatures.

Styling tips for everyday life by the water

A UV swimsuit can be combined in many ways. With a few simple steps, a beach outfit can become a casual look for the whole day.

Layering with natural fabrics

Over your UV swimsuit, wear airy cotton or linen – a light kimono, wide shorts, or a relaxed skirt. This provides additional sun protection and looks effortlessly good.

Barefoot or with minimal sandals

Less is more. Simple leather sandals or no shoes at all perfectly match the uncomplicated feeling of a beach day. Your feet remain free, your look remains authentic.

Natural jewelry

A simple bracelet, a shell necklace, or a simple ring made of wood or stone completes the outfit without looking heavy. Everything remains light and natural.


A UV swimsuit gives you the freedom to enjoy summer to the fullest – without constantly thinking about sunburn. It reliably protects your skin, feels good, and looks good too. If you opt for sustainable materials and timeless design, you'll get a piece that will accompany you for years. At MAIN Design - Your Daily Dose Of Summer, you'll find UV swimsuits and swimwear that combine exactly that: real protection, natural materials, and a design that suits you. Because good days outdoors begin with the right feeling on your skin.

— MAIN Design - Your Daily Dose Of Summer