What are mom shorts, exactly? You can find the answer in old family photos—they’re what your mom wore in the ’80s and ’90s while she cooked dinner, carried you on her shoulders through Disneyland, or supervised your playdates. It’s off-duty Princess Di with royal kids in tow. Mom shorts don’t elongate your legs or lift your butt, but they are carelessly chic in a way that makes us want to wear them daily (unlike super-tight hot pants). The main iteration of the style is denim cutoffs, but we’re expanding the definition to include linen Bermudas and elastic waists, because our mom said it’s okay. Shop 11 pairs of mom shorts that are so uncool they’re cool, here.