Deep booster for long-legged 8 y.o.?

[proudsahmof4]

DS1 has just had a growth spurt and is getting uncomfortable in his Nautilus. About 1/3 of his legs overhang the seat, and he shifts out of the way of the shoulder seat belt because he doesn't like the way it feels (he has SPD, so there may not be much that can be done about that?). The seat belt is still on his shoulder, but he turns sort of sideways (not sure how else to describe it). We also have a Harmony booster (not sure which, but it's a basic Walmart version) and he likes the seat belt guide strap thingy on that, but it's still not deep enough for him.

Any suggestions? I think his preference would be an LBB, but I'm not excluding an HBB if it's a good fit for him. Oh, and he weighs 65 pounds - but I'm not sure on height - will check when he gets home from school.

[proudsahmof4]

No suggestions?

[monica-m]

Harmony Olympian