1. Ergobaby Easy Snug Infant Insert, Grey (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
Must use with infants 7-12 lbs. (3.2-5.5 kg) or babies more than 12 lbs. but younger than 4 months or without strong and consistent head and neck controlErgonomic infant positioning, Acknowledged as a hip healthy product by the International Hip Dysplasia Institute: M-shape leg position, C-curved spine, head and neck support and baby's face visible and close enough to kiss

2. Ergobaby 4 Position 360 Bundle Of Joy with Easy Snug Infant Insert, Grey (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
Hands-free bonding with baby in 4 ergonomic carry positions: front-inward, front-outward, hip and backFor newborn to toddler: 7-12 lbs. with supportive Easy Snug Infant Insert (included) and 12-33 lbs. with carrier only

3. Ergobaby Original Baby Carrier (Marine + Natural Insert, One Size) (Click Link to Check Price on Amazon)
Editor's Rating : 9.5 out of 10
Bundle - 2 Items: Ergobaby Original Baby Carrier and Original Natural Infant InsertComfortable for Parents: Baby's weight is evenly distributed between the hips and shoulders

4. All Seasons 360 Ergonomic Baby Carrier - 6 Position, No Infant Insert Needed, Adapt to Every Baby from Day 1 - UNIVERSAL (Black) (Click Link to Check Price on Amazon)
Editor's Rating : 9 out of 10
✔ ALL SEASONS - An adjustable temperature-regulation panel allows you to easily control the temperature and keep baby and mom or dad cool or warm depending on the situation zips-up for warmth and zips-down to reveal cool, breathable, 3D mesh. You'll absolutely love this function! You can save money with the Universal, because it's appropriate all throughout the year so you no longer need to buy both regular and cool mesh baby carriers.

5. Ergobaby Easy Use Design Original Infant Insert, Natural (Click Link to Check Price on Amazon)
Editor's Rating : 9.6 out of 10
Compatible with any Ergobaby CarrierFor use with babies 7- 12 lbs (3.2 - 5.4 kg)