Both the Classic Explore and the new Explore carriers are excellent choices, supporting babies from 3,18 kg to 20,4 kg (7 to 45 pounds) and offering the same carrying positions. The new Explore features updates such as Lumbar Support, slimmer straps, and enhanced storage options. Both carriers provide the same great fit and support for baby, with slightly different looks and features. When choosing a carrier, you'll cant to consider which features align best with your family's needs and lifestyle.