Macy's offers the Calvin Klein Performance Women's French Terry Logo Shorts in several colors for $15.53. Pad your order with a beauty item (they start at $3) to bag free shipping; otherwise, shipping adds $10.95. That's $23 off list and the lowest price we could find. They're available in select sizes from L to XXL.
The planet will thank you, your local (overwhelmed) landfill will thank you. Even your budget will thank you.