Old Navy Waist-Defined Printed Slub-Knit Mini Dress It's hard to go wrong with a cotton pick like this Old Navy Waist-Defined Printed Slub-Knit Mini Dress ($22-$26, originally $30) on hot summer days. Image Source: oldnavy.gap.com Old Navy Waist-Defined Printed Slub-Knit Mini Dress $22 from oldnavy.gap.com Buy Now