They have no declared water proofing rating but I have read claims that they have standard water resistance. Shes keeping it. This charger station is aight. Great Value When I (waist size 36") bought a "36-38" size, the waistband didnt have tension enough to keep the briefs in place. Update: The seller contacted me at said they fixed the problem and I should but a new pair. I was looking to get comfortable sandals to wear at home when I have parties and these fit the bill perfectly ! They paired easily with my Android phone and I couldnt ask for more. Hes delighted to be back chatting with his pals gaming Normal sleepers.