Air Jordan 3 / Air Jordan 4 Last
A high density plastic shoe mold specifically made for the Air Jordan 3 and Air Jordan 4. The last determines the shape and size of the shoe. All lasts are sold in pairs – Both the left foot and right foot are included in the order. Notes: This last has been perfected to fit both Air Jordan 3...
www.srgnacademy.com
^Seems like they do. If so then why is it recommended to go half size up with 4s but not 3s ? I always hear about 4s being pinky toe killers but not 3s which are more TTS ? I always thought 3s and 4s had the same interior shape and the link above seems to confirm that