Air Max 90 PRM Mixtape 'Side B' Look See Sample [2019]The Air Max 90, designed by Tinker Hatfield in 1990, has deep ties to music culture, and the 2019 Mixtape Side B iteration drew directly from that lineage. Crafted with a woven narrative of nine distinct AM 90 design elements, the upper blended black suede, ostrichtextured leather, and suede, punctuated by Sunblush and ThunderGrey accents. Details such as laces resembling cassette tape and outsole graphics provided subtle storytelling cues. Unworn!