If you don’t have any anti-UV clothes and you don’t want to buy them, the basic rules for clothing which offer partial protection against UV rays are:
- Choice of fabric : favour lycra, wool, polyester or denim. Avoid untreated cotton (especially fine and light), silk, canvas, acetate and polyamide/nylon;
- Choose fabrics with densely woven fibres (the tighter the weave, the less light is transmitted);
- Dark colours (more photoprotective);
- Dry clothes (damp and wet clothes do not filter UV rays).
- Deformed and worn clothes are not effective.
As a reminder on anti-UV clothes (see chapter on “Clarifications”), the UPF (=Ultraviolet Protection Factor) makes it possible to determine the proportion of rays which are blocked by a garment. If the UPF is between 0 and 15, the clothing cannot be considered as anti-UV. A UPF of between 15 and 24 filters between 93,3% and 95,9% of the sun’s rays and a UPF of between 40 and 50 is between 97,5% and 98% efficient, according to the American Society for Testing and Materials (ASTM).
The Standard 801 UV label = “guarantees that a certified textile protects the human skin from damage caused by UV rays which potentially harmful to health”.
The Standard 801 UV label identifies the UPF and takes into account the age and condition of the textile. This internationally recognized label demonstrates the efficiency of the product in relation to UV rays.
To ensure complete protection, always combine clothes with sun cream.
Anti-UV clothes are effective but they don’t block all the rays. Despite their densely woven fibres it has not yet been scientifically proven that they are 100% effective.
People who regularly conduct sporting activities in the open air usually know how to protect themselves from the sun. An annual check-up with the dermatologist is particularly recommended.
For those wishing to take up a sport, be vigilant and remember that sand and water reflect light in the case of water sports. Besides applying sun cream every 2 hours, it is also essential to wear a wet suit with long arms and legs during the hottest times of the day. Short sleeved suits can be worn before midday and after 4 pm.
Anti-UV clothes are available for work in the open air.