Lightspeed Briefs? (which, incidentally, I always took to be a pun on Fruit of The Loom underwear abbreviating their brand as FTL (Faster Than Light in common

Lightspeed Briefs? (which, incidentally, I always took to be a pun on Fruit of The Loom underwear abbreviating their brand as FTL (Faster Than Light in common scifi discussions)).