LKC has two sizes to help you get the perfect fit!  If you are starting from the newborn stage, we recommend the Signature size.  If you have a toddler or special needs child, we recommend the Supreme Size. 

Item
Signature Size
Supreme Size

AIO

6-32lbs (2.8-14.6kg) 15-55lbs (6.8-24.9kg)

AI2

6-32lbs (2.8-14.6kg)
15-55lbs (6.8-24.9kg)

Pocket

6-32lbs (2.8-14.6kg)
15-55lbs (6.8-24.9kg)

Swim

6-32lbs (2.8-14.6kg)
15-55lbs (6.8-24.9kg)