Why does the mesh lining in swim shorts hurt him?

It is usually caused by friction. Wet mesh can chafe against the skin. A simple solution is to carefully cut the mesh lining out and have him wear soft swim trunks underneath the board shorts instead.

How do I stop swim shorts falling down when he jumps in the pool?

Check the drawstring. Make sure it goes all the way around (a full 360 degrees) so you can tighten it securely. Decorative ties won’t hold them up during a dive.

How do I remove the chlorine smell from swimwear?

Try a vitamin C soak. Dissolve vitamin C powder in water and soak the shorts to help neutralise chlorine odours. It’s also a good idea to rinse them immediately after swimming.

Should I size up swimwear to last for next summer?

No. Baggy swimwear can cause chafing. Plus, chlorine gradually breaks down elastic, so storing it for a year may affect the stretch. It’s best to buy true to size.