Zen is where recovery that¡¯s light meets relief that's effortless. With everything you need and nothing you don't, it's the perfect companion for days meant to feel easy. The seamless, sock-like knit upper stretches and flexes with every step. Convenient pull tab details and an engineered collar create a secure, easy-on fit. A rounded heel cup stabilizes the foot, while proprietary OOfoam?technology cushions every step and helps relieve pressure on your joints. Stressed about your next trip? Pack it for complete serenity underfoot.