Embé swaddles are unlike any other in the world! Our stage 2 begins when your baby begins to show signs of trying to roll over. Transitional swaddles (for babies 3-6 months & 12-18 lbs) are perfect for babies who are transitioning out of a swaddle but aren’t quite ready for safe sleep with a blanket yet! the embe swaddle offers the world's only legs in & legs out patented technology that offers the versatility of legs in warmth & legs out cooling and heat dissipation to help keep your newborn from dangerously overheating. Our short sleeve transitional swaddle also features our arms in & arms out options: arms in, 1 arm out, or both arms out! Our heart-shaped leg pouch supports proper hip health and leg development and has been designated "hip-healthy" by the international hip dysplasia institute.