These kicks aren’t your typical trainers. The upper uses APL's Techloom™ construction, a stretchy, seamless knit that gives your toes room to move, with an external stabilizing piece at the back to secure your heels in place. APL's original long-lasting Propelium™ sole technology uses less rubber than conventional athletic soles, your shoes feel featherlight on your feet. FEATURES: Spacer Construction, Propelium™ Technology, Extremely Lightweight, Mobility & Support. REFLECTIVE. Gently Used.