Planning to Swim in France? Don’t Get Caught Off-Guard

ByTravelling For Business

April 1, 2025
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If you’re a business traveler heading to France, you might be prepared for its world-class cuisine, efficient public transport, and rich culture.

But one thing you might not expect? France’s strict swimming pool rules. Many travelers—especially those looking to relax in a hotel pool or fitness center—find themselves caught off-guard by an unusual regulation: standard swim trunks are often banned in public- and hotel pools

Why doesn’t France allow loose swimming trunks?

In France, many public swimming pools enforce a rule requiring men to wear tight-fitting swim trunks (slip de bain) instead of loose board shorts. Additionally, swim caps are often mandatory. These regulations, which might seem surprising to visitors, stem from hygiene concerns. Authorities argue that baggy swimwear can carry dirt and bacteria from outside areas into the pool, making them a sanitary risk.

Beyond loose swim trunks, other types of attire are also typically prohibited, including:

  • T-shirts and other casual clothing: Many pools do not allow swimmers to wear t-shirts, even for sun protection, as fabric can trap bacteria and affect water quality
  • Wetsuits and rash guards: Unless for medical reasons, full-body swimwear is often restricted.
  • Cotton-based garments: Regular cotton shorts or tank tops are generally banned due to their absorbent nature and potential to release fibers into the water.

Where does this rule apply?

This rule is less commonly an issue at beaches or private villa pools, where regular swimwear is generally acceptable. Instead, it’s commonly enforced in:

  • Public pools
  • Hotel pools
  • Water parks
  • Some private fitness centers with swimming facilities

Top Tips

To avoid any unpleasant surprises, consider packing a pair of snug swim trunks, such as speedo-style or tight-fitting jammer shorts, along with a swim cap, especially if you plan to visit public pools. If you forget, some pools do sell appropriate swimwear at vending machines or front desks (but prices may be steep).

If you plan to swim, look up the pool’s dress code beforehand and make sure you’ve packed the right swimwear. If you do need to purchase alternative swimwear, try French sports stores such as Decathlon, where compliant swimwear will be much more reasonably priced.

Final thoughts

France’s swimwear rules might seem strict, but they’re easy to navigate with a little preparation. By knowing what to pack, you can ensure that an unexpected swimwear policy won’t put a damper on your trip. Whether you’re unwinding after meetings or squeezing in a workout, being aware of these regulations will help you to enjoy your stay hassle-free.