All Ground Effect clothing enjoys a warm 40ºC machine wash.
As a rule of thumb, a laundry product that is easy on the planet is also easy on your body. Select a mild plant-based soap like Ecostore, Earthwise or Aware.
Hand washing is sometimes the only option on tour, but a washing machine rinses more thoroughly and is preferable if you have the choice.
Avoid cold-water detergents and those with bleach, 'oxygen whitener' or fabric softener.
Some additional fabric-specific guidelines...
Like the drivetrain or expensive components on your bike, proper care and maintenance is essential to extend the life of your HydroFoil™ rain jacket or pants and optimise their performance over time.