**ALL SOLD** Nike 2019 Chicago Marathon Pro Retail singlets are in! These black and baby blue are 🔥Get yours while they are hot! • **SOLD** 2019 Pro Retail sz Small **SOLD** 2019 Pro Retail sz Med • #niketrack #nikesinglet #nike #nikerunclub #nikesponsored #niketrackandfield #niketrackfield #nikerunning #nikemarathon #nrc #nikerunclub