Reading University Caving Club 
Whose pants are these? Looks to me as if they have some life in them yet. Note the cutaway panels for extra ventilation. And what exactly happened down the cave to get them like this? We want to know!
Status: Claimed by Jon W. Apparently they were damaged “from balloon wrestling at CHECC”, by “a crowd of rowdy half naked men in a tent in the middle of yorkshire at 1am”. Don’t ask…