Straps wide enough to hide the now-required bra? Check
Long enough to avoid looking like a plumber when bending over? Check
Tight enough to keep playgroup from turning into a peepshow? Check
Inexpensive, available in many colors and machine washable? Check, check and check!
I present you the Women's Stretch Tank from Old Navy. Brilliant in all twelve colors, alone or under spring's crisp white jacket.