HALO created the first SleepSack over 20 years ago with both safety and comfort in mind. The #1 choice of 1,700 hospitals nationwide, our original wearable blanket with sleeveless design nestles baby like a soft blanket without the risk of sleep-related dangers. Signature "Back is Best" embroidery is a gentle reminder to place baby in the recommended sleep position. Features an inverted zipper for easy diaper changes and a roomy sack design that's recognized by the International Hip Dysplasia Institute as promoting healthy hip development.

Wearable blanket for safe sleep
Keeps them cozy and can't be kicked off
Designed for a seamless transition after HALO SleepSack swaddle
Zipper opens from bottom for easy diaper changes
Hip healthy design; approved by the International Hip Dysplasia Institute Extra length (so you don't have to size up as quickly!)
Comfy neckline with zipper covers to prevent scratches
Premium quality; 98% of customers plan to reuse with younger siblings SleepSack brand is used in over 1,800 hospitals nationwide
Machine washable
Use over regular sleepwear
1.0 TOG