Custom Air Max 97 (Black) Elevator Modification:
Height increase: 8-9 cm total
1 cm outsole increase
3-4 cm internal lift
Original 4.5-5 cm sole height
Insole construction:
Memory foam top layer (0.5-1 cm)
EVA foam middle layer (1.5-2 cm)
TPU/polyurethane base layer (1-1.5 cm)
Features: Breathable cover, heel cup, gel padding, arch support
Must preserve authentic Air Max 97 appearance including visible air unit and wave design