The very first thing that should be done is empty your washing machine and give it a run on a quick wash to remove all detergents . Washing powder will absolutely bollox things like Gore-Tex . I usually stick a capfull of Tech Wash in and wash on a quick wash at the coldest setting , usually that economy jobby . I have washed a Karrimor MTB jacket like this for about 7 years now . It`s still waterproof , and after going out on the MTB it stinks , usually covered in 3 different types of Horse poo (I like to ride through it and splatter anyone following me
) , a 2" thick layer of mud , snot , tears (if things go wrong or I end up laughing at somebody) and then my own man-stink after an epic ride .
As far as gloves go , they can be abit of a pain as they take ages to dry out . I would not be tempted to turn them inside out as some gloves are stitched in a way that the lining can pull out and can be a right ar5e to get back in if you don`t know a quick way to do it . Let it all dry naturally ... a bathroom can be handy for that and sling them on something over the bath ....... and remember , waterproof jackets have pockets , and they bloody fill with water and slop about when you take them out of the washing machine and dump wet water all over your feet