Not got a horse at the mo, but when I have I had LW,MW,HW in both stable and T/O and I also had under blankets, sweat rugs, travel rugs, summer sheet, fly rug You name it I had it. For my first pony I had ONE T/O and ONE stable and a sweat rug which doubled up as travel rug It's all gone a bit mental in the rug dept!
Horseware do a rug called a duo which has detachable linings depending on how heavy you need. Very good quality but expensive. A friend of mine has a horseware rug for nine years!
girls both have
3 lightweight turn outs, found Amigo ones that were a bargain so would be rude not to buy
2 medium turn outs, one with neck one without
1 heavy weight, which have never been used lol, unclipped last winter so no need.
2 lw stable,
fleece coolers
fly rugs
need to invest in mw stables and another fleece each for this winter as they`ll be clipped.
Also found new mw that i must have