Best Space Sleep Sacks in 2026

Our cozy microfiber zzZipMe Sack is a soft wearable blanket for babies ready to transition from swaddling.

Handy 2-way zipper for easy wearing and diaper changes.

Tog rating of 1.5 for moderate temperatures.

Our cozy microfiber zzZipMe Sack is a soft wearable blanket for babies ready to transition from swaddling.

Handy 2-way zipper for easy wearing and diaper changes.

Tog rating of 1.5 for moderate temperatures.

Amazing Baby by SwaddleDesigns features exclusive designs by Lynette Damir, artist and mom.

Breathable, open weave cotton muslin wearable blanket replaces loose blankets for safer sleep.

Handy 2-way zipper. Unzips from bottom for easy diaper changes. Unzips from the top makes it easy to place baby in sack.

The TRANSITIONAL SWADDLE SACK allows baby to SELF-SOOTHE and promotes BETTER SLEEP and SAFER SLEEP; Perfect for babies who prefer to sleep with ARMS UP babies who are starting to rollover and babies able to break out of a traditional swaddle

LITTLE SLEEVES with BIG PURPOSE; The 1/2-length uniquely-shaped sleeves with mitten cuffs closed provide partial suppression of Startle Reflex to help baby SLEEP BETTER and if baby rolls onto tummy baby can push up to reposition head to access air

EASIEST way to wean from traditional swaddle; TSS is not a tight swaddle nor a loose sack; May seem small but SNUG FIT around tummy and shorter sack support legs in flexed position help baby feel secure to SLEEP BETTER; Can adjust neck size with zipper

The 6-way Omni Swaddle Sack with Adjustable Wrap and Arms Up Sleeves with Mitten Cuffs is the IDEAL SWADDLE; The patented design supports more sleep positions for baby's hands and arms providing more options for BETTER SLEEP and SAFER SLEEP

Babies who can SELF-SOOTHE sleep longer & better. When baby is swaddled with hands up or arms up baby can self-soothe by sucking on hands; The sleeves keep baby's arms warm & parents don’t need to use bodysuit unless needed for extra warmth

LITTLE SLEEVES with BIG PURPOSE; The 1/2-length uniquely shaped sleeves with foldover mitten cuffs closed provide partial suppression of Startle Reflex to help baby SLEEP BETTER if parents swaddle with one or two arms outside the wrap

Breathable, open weave cotton muslin wearable blanket replaces loose blankets for safer sleep.

Handy 2-way zipper for easy wearing and diaper changes.

TOG rating of 0.3, best for temperatures of 76-80 degrees F (the recommended sleep environment range).

The TRANSITIONAL SWADDLE SACK allows baby to SELF-SOOTHE and promotes BETTER SLEEP and SAFER SLEEP; Perfect for babies who prefer to sleep with ARMS UP, babies who are starting to rollover, and babies able to break out of a traditional swaddle

LITTLE SLEEVES with BIG PURPOSE; The 1/2-length, uniquely-shaped sleeves with mitten cuffs closed provide partial suppression of Startle Reflex to help baby SLEEP BETTER, and if baby rolls onto tummy, baby can push up to reposition head to access air

EASIEST way to move from a traditional swaddle to a wearable blanket; The Transitional Swaddle Sack is not a tight swaddle nor a loose sack; the snug fit helps baby feel secure and the special sleeves allow baby to use their arms for SAFER & BETTER SLEEP

The information below is per-pack only

Proudly made in the USA using USA cotton with ultra soft trimmed edges of imported satin-polyester.

Handy 2-way zipper for easy wearing and diaper changes.

Innovative 2-way zipper for ease of use. Unzips from top and unzips from bottom.

Soft, premium cotton knit sleep sack replaces loose blankets for safer sleep.

Tog rating of 0.7, best for moderate temperatures.

Breathable, open weave cotton muslin wearable blanket replaces loose blankets for safer sleep.

Handy 2-way zipper for easy wearing and diaper changes.

TOG rating of 0.3, best for temperatures of 76-80 degrees F (the recommended sleep environment range).

The 6-way Omni Swaddle Sack with Adjustable Wrap and Arms Up Sleeves with Mitten Cuffs is the IDEAL SWADDLE; The patented design supports more sleep positions for baby's hands and arms providing more options for BETTER SLEEP and SAFER SLEEP

Babies who can SELF-SOOTHE sleep longer & better; When baby is swaddled with hands up or arms up baby can self-soothe by sucking on hands; The sleeves keep baby's arms warm & parents don’t need to use bodysuit unless needed for extra warmth

LITTLE SLEEVES with BIG PURPOSE; The 1/2-length uniquely shaped sleeves with foldover mitten cuffs closed provide partial suppression of Startle Reflex to help baby SLEEP BETTER if parents swaddle with one or two arms outside the wrap

The below information is per pack only

Innovative 2-way zipper for ease of use. Unzips from top and unzips from bottom.

Soft, premium cotton knit sleep sack replaces loose blankets for safer sleep.

The below information is per pack only

Proudly made in the USA using USA cotton with ultra soft trimmed edges of imported satin-polyester.

Handy 2-way zipper for easy wearing and diaper changes.

The below information is per pack only

The TRANSITIONAL SWADDLE SACK allows baby to SELF-SOOTHE and promotes BETTER SLEEP and SAFER SLEEP; Perfect for babies who prefer to sleep with ARMS UP, babies who are starting to rollover, and babies able to break out of a traditional swaddle

LITTLE SLEEVES with BIG PURPOSE; The 1/2-length, uniquely-shaped sleeves with mitten cuffs closed provide partial suppression of Startle Reflex to help baby SLEEP BETTER, and if baby rolls onto tummy, baby can push up to reposition head to access air

Breathable, open weave cotton muslin wearable blanket for safer sleep

Handy 2-way zipper with zipper guard to protect baby's delicate skin

Premium cotton muslin, pre-washed for softness and gets softer with every wash