FREEDOM TO MOVE: Stretchy sleeves support a natural sleep position, allowing arms to move up, out, or anywhere in between. Roomy sack supports natural leg movement and proper positioning. STARTLE-SOOTHING: Patent-pending design with unique sleeve construction and stretch fabric help ease the startle reflex while still allowing natural movement for self-soothing. HELPS THEM FEEL SECURE: Snug zone creates a cozy, held feeling that can help your little one settle for sleep. PEACE OF MIND: Unlike traditional swaddles, discontinuing use is not necessary if your little starts to roll. SUPPORT LONGER SLEEP: Balances movement and comfort to help little ones settle more easily for deeper more restful sleep with a two-way zipper makes nighttime diaper changes quick and simple Designed for little ones who don’t settle in just one position, HALO SleepSack SwaddleStretch offers natural movement with gentle support. Stretchy sleeves allow arms up, out, or anywhere in between—while soft structure helps ease the startle reflex for better rest. The roomy, hip-healthy sack supports natural leg movement, and a two-way zipper makes changes easy. Stage 1 of HALO’s trusted sleep system, from hospital to home.