Underwear + Lounge

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Boys’ Underwear and Sleepwear

For nearly 50 years, CALVIN KLEIN has been perfecting its iconic design of underwear and loungewear to offer exceptional quality, comfort, and style for boys. The clean aesthetics and innovative designs of Calvin Klein boys’ underwear provide superior support and are ideal for both lounging and athletics. The cotton stretch fabric prevents chafing and is soft on the skin.

Browse our luxury selection of boys’ briefs, boys’ boxers, and boys’ boxer briefs. Boys’ briefs are the perfect choice when it comes to wearing skinny pants, jeans, or formal dress pants. They are remarkably supportive, soft, and come in a variety of bright solid colors. Boys’ boxer briefs work just as well both during exercising and lounging. With sharp and clean designs, soft elastic bands and stretch fabric, our boys’ underwear never irritates the skin and makes you look and feel your best. The assorted colors include yellows, blues, oranges, and pinks. Fun striped patterns add character and style to the designs.

For maximum comfort, shop our loungewear for boys, including boys' pajamas and boys' pajama pants. An absolute necessity for snuggling and cozy winter nights, these brushed, sleep pants are made with an elasticated waist and soft fabric. Fun plaid patterns, ship prints, and stripes will make you feel warm, comfy, and cool. The fabric is durable and will look fresh even after many washes.For more loungewear and underwear, browse the full range of Men’s Loungewear . For her, find sensual and comfortable sleepwear in Women's Sleepwear + Loungewear .