Transitional Swaddle Sack - Arms Up 1/2-length Sleeves & Mitten Cuffs, Heathered Butterum With Polka Dot Trim
ColorArms Up 1/2-length Sleeves & Mitten Cuffs, Heathered Butterum With Polka Dot Trim
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Description
• Designed by a nurse and award winning
• Features 1/2 length arms-up sleeves with fold-over mitten cuffs that can be open or closed
• Closed mitten cuffs help partially suppress the Moro (startle) reflex
• Sleeves allow enough arm mobility for baby to push up and reposition if they roll over
• Deemed Hip Healthy by the International Hip Dysplasia Institute for hip and knee room and movement
• Easy to use: place arms in sleeves, legs in sack, then zip up
• Closed cuffs help protect from facial scratches
• Cuffs may be opened so baby can suck on fingers to self-soothe
• Sleeve stays at wrist but reaches elbow if baby fully extends arm
• Ergonomic design with a snug midsection to reassure and comfort baby
• 2-way/2-pull zipper allows diaper access by unzipping from the foot
• Bridges the gap between snug swaddling and loose-fitting sleeping sacks for rolling babies
• Convertible and suitable for babies who prefer arms-up or who self-soothe by sucking fingers
• Size selection based on body weight; do not size up: Small 6–14 lbs (0–3 months), Medium 14–21 lbs (3–6 months), Large 21–24 lbs (6–9 months)
• Made from 100% stretchy, breathable, soft premium cotton knit
• Designed in USA and imported with multiple patents
• For extra warmth, a cotton bodysuit may be worn underneath; avoid thick polyester fleece pajamas
• Features 1/2 length arms-up sleeves with fold-over mitten cuffs that can be open or closed
• Closed mitten cuffs help partially suppress the Moro (startle) reflex
• Sleeves allow enough arm mobility for baby to push up and reposition if they roll over
• Deemed Hip Healthy by the International Hip Dysplasia Institute for hip and knee room and movement
• Easy to use: place arms in sleeves, legs in sack, then zip up
• Closed cuffs help protect from facial scratches
• Cuffs may be opened so baby can suck on fingers to self-soothe
• Sleeve stays at wrist but reaches elbow if baby fully extends arm
• Ergonomic design with a snug midsection to reassure and comfort baby
• 2-way/2-pull zipper allows diaper access by unzipping from the foot
• Bridges the gap between snug swaddling and loose-fitting sleeping sacks for rolling babies
• Convertible and suitable for babies who prefer arms-up or who self-soothe by sucking fingers
• Size selection based on body weight; do not size up: Small 6–14 lbs (0–3 months), Medium 14–21 lbs (3–6 months), Large 21–24 lbs (6–9 months)
• Made from 100% stretchy, breathable, soft premium cotton knit
• Designed in USA and imported with multiple patents
• For extra warmth, a cotton bodysuit may be worn underneath; avoid thick polyester fleece pajamas
About SwaddleDesigns
SwaddleDesigns makes swaddles, sleeping sacks and baby gifts in soft, breathable fabrics with modern prints, all aimed at one goal: helping new parents and babies get more sleep, safely. It was founded by Lynette Damir, a registered nurse and mother, after she visited families with new babies and found exhausted parents who were not swaddling because their blankets were the wrong size or too thick. The brand is explicit about supporting all families and birthing people.
Product Guide
Swaddle or sleep sack? Learn when to use each, how to transition, TOG ratings, and the safest options for your baby's age. Updated for 2026.
Read the full guide →