Kids Underwear

Shop our full collection of Calvin Klein kids underwear for bold, stylish, and fun designs to keep kids comfortable and happy. Browse our full assortment of kids underwear styles with standout designs and excellent value at the official Calvin Klein online store.

Calvin Klein’s underwear styles for kids are designed for total comfort. Search for 100% cotton styles in children’s underwear for a classic feel with exceptional breathability. Select a style made with a stretch blend in kids bras, kids training bras, kids boxer briefs, and kids briefs for added flexibility and dynamic comfort.

Created with assorted prints and solid designs, our underwear for kids assortment features boys briefs, boys boxer briefs, girls hipsters, girls bralettes, and girls bikinis ideal for day-to-day wear. Elastic waistbands are detailed with classic Calvin Klein logo styling and are created for an effortless, flexible fit. Select a set of neutral colors or choose from bright, printed styles with our underwear for kids multipack sets. For help on finding the best fit, refer to our kid's size guide.

Browse more essentials and shop our full range at our shop all kids category page. Find more underwear styles at our girls underwear and boys underwear featured shops.