Old Navy summer sweaters will ensure a stylish, warm weather look for any casual dress occasion. Discover a wide variety of summer sweater designs featuring modern takes on traditional favorites. Stay cool in eye-catching open-knit crew sweaters in fitted cuts crafted from soft, medium-weight open knit yarn. Create a fun layered look with rib-knit cardis sweaters in an array of fashionable colors and size options. Find an assortment of cropped cardis, crew neck cardis and 3/4 sleeve cardis cuts in vivid hues and dynamic patterns. Create a unique look with our sweaters for summer layered with your favorite beachwear for one-of-a-kind forward fashion statements. Add a unique accent to your warm weather style with summer sweaters from Old Navy.