The Undefeated x Air Jordan 4 is making a comeback in 2025 to celebrate the 20th anniversary of the sneaker's original release. Considered one of the most sought after sneakers ever, the Undefeated Jordan 4 has an olive green upper that is offset with black Wings and heel tabs. The military-inspired look is accented on the UNDFTD AJ4 with Velcro tongue patches inspired by pilots' flight jackets.