On Running Cloud 5 Coast (Women's) - Ivory/Acacia The lightest shoe in our collection – with the same premium cushioning and performance. The fully collapsible upper and no-slip, kick-down heel make it the ultimate packable summer travel shoe. Think big, pack small Sun’s out, On's out. The Cloud 5 Coast is the lightweight shoe made for minimalist packers. Perfect for stuffing into your cabin bag, it's packable without compromising comfort and performance. Plus, an antimicrobial foot bed allows for barefoot wear, so you can leave the socks at home. Performance anywhere From the pavement to the path less traveled, our signature CloudTec and extra explosive Speedboard powers the Cloud 5 Coast to perform all day. Reinforced with a no-slip heel, now you're free to roam where others don't. Step in, takeoff Made with the original Cloud's speed-lacing system, the Cloud 5 Coast offers an easy step-in. A kick-down heel takes things one step further for the most comfortable wear – you can even wear it backless. Hello, poolside.