[quote="X5Sport"]
Go Commando......

[/quote]
Doesn’t help
You need some coating on the seat, I only wear Levi’s, possibly better quality than Dodd of Asda/Walmart’s jeans (possibly not)
Ultimately a dye blocker, this won’t stop it but will make it clean and wipe
I used to swear by Gliptone products, though they appear aggressive on certain leather types (Merino)
Best clean with clean microfibre, warm water soaked & wrung out with gently wipe, sometimes I’ll add fabric softener!
Assess before chemically cleaning
Whilst my champagne Merino looks new, it’s constant maintenance I use LTT protector every month after a good clean and nourish, similar product will be required
Oh
I have a couple of really dark jeans, I sit on a towel to stop the transfer!