You'll find that our New Gradually Weighted Sleep Sacks come with a built-in velcro swaddle when you choose the Sack in size small.  Simply tuck one or both arms within the band and zip up. Once they've started rolling, just lay the swaddle band flat or wrapped without their arms in place and zip as usual.

gradual weight technology so once baby has graduated from the swaddle, they're free to roll over, push up, and roll back again without unnecessary resistance

• subtle weight distribution in the upper chest region, lightly increasing in its therapeutic weight across the lower chest to the the ankles.

excluded pressure on feet.

• no weight extended beyond the ankles, allowing more freedom to roll without excess weight bunching at the bottom or hindering movement and comfort
• promotes healthy positioning when relaxed for healthy hips 

Designed for our traditional cozy seekers. For the little ones who simply prefer their legs and feet tucked in at night, we’ve got them covered, too.