When you're in the mood to beat the heat, soft, airy blouses are a tried-and-true option. Bonus points if it's a top with slimming details that disguise arm bulge and make you feel comfortable in your skin. Appropriate for both work and weekend activities, this versatile blouse nails rich mom style. It's made of lightweight fabric that instantly elevates casual outfits like jeans and sneakers. The best part? It comes in an assortment of colors and prints, starting as low as $20.