Swaddles and wearable blankets that keep babies cozy without loose bedding. Halo SleepSack swaddles wrap snugly with adjustable wings, and the wearable blankets zip on over pajamas for arms-free warmth in cotton, microfleece, or supersoft bamboo. Summer Infant's SwaddleMe originals come in 3-packs sized 0 to 3 months for an easy, wrap-free swaddle. Choose by fabric weight and season — lighter cotton muslin for warm rooms, microfleece for winter. Orders over $50 ship free.