★★★★★
"Wore the AERO Ion for a half marathon straight out of the box. Zero break-in, and the energy return is genuinely unreal on the back half."
★★★★★
"Lightest pair I own by far and they still feel bombproof. The ion-mesh looks like it's from a decade ahead. Instant compliments everywhere."
★★★★★
"Grip on wet pavement is on another level. Took them through a full rainy season of trail-to-street commuting and the tread barely moved."