Fit Survey:

    75% True to size
    83% Felt true to width
    79% Moderate arch support

    Item Information

    • SKU: #8974388
    • View the size chart
    • The Cloud X mixes training and running into one light and comfortable shoe to help you achieve your lofty goals.
    • On footwear inspires a more efficient running style by promoting a more forward foot strike, as well as a centered and energized running position.
    • Benefits: On delivers a blend of the injury protection found in traditional running shoes, with the natural ride of its lightweight counterpart.
    • A versatile trainer that is ideal for runners and other athletes alike.
    • Breathable mesh upper provides maximum airflow while adding support where needed.
    • Versatile speed-lacing system is designed to promote a glove-like fit for narrow or wide feet.
    • Soft yet durable mesh fabric linings.
    • Engineered heel cap with precision-molded cushioning pad for stability without strain.
    • Reflective hits boost visibility in low-lighting conditions.
    • Seamless shoe tongue.
    • Differential: 6 mm
    • Dual-density cushioned footbed is removable for air freshening.
    • CloudTec® sole unit is made from Zero-Gravity foam to combine minimal weight with exceptional cushioned comfort.
    • A central channel between the medial and lateral sides of the foot lets the CloudTec sole adapt to the individual movement path of the foot.
    • Deep flex grooves for an enhanced range of motion and maximum flexibility.
    • Imported.
    • Please note that ONLY the On Cloud 50/50, Cloud Terry, and Cloud running shoes feature an extra pair of conventional laces, along with the On Cloud easy-entry speedlaces.
    • Product measurements were taken using size 11.5, width M. Please note that measurements may vary by size.
    • Weight of footwear is based on a single item, not a pair.
    • Measurements:
      • Weight: 10 oz
    View Zappos.com Glossary of Terms
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    Shoe Size Charts

    Chart provides a guide to shoe size conversion based on international size measuring conventions and our own shoe fitting experience. However the shoe size required for any one customer can vary significantly from one style of shoe to another even for the same manufacturer.

    This chart does not provide a guarantee of shoe size conversion, it is merely a guide. Customers should consult with our expert fitting guides if they are unsure of their required size.

    Men's Shoe Size Chart in various measurements
    UnitMen's Shoe Size Chart
    United States & Canada66.577.588.599.51010.51111.51213141516
    United Kingdom5.566.577.588.599.51010.51111.512.513.514.515.5
    Europe39394040-414141-424242-434343-444444-454546474849
    Heel-Toe Measurements (in)9.39.59.69.89.910.110.310.410.610.810.911.111.311.611.912.212.5
    Heel-Toe Measurements (cm)23.524.124.424.825.425.72626.72727.327.928.328.629.430.23131.8

    Customer Questions

    What Customers Are Saying

    On Cloud X

    Free Shipping and Free Returns

    If, for any reason, you are unsatisfied with your purchase from Zappos Retail, Inc. you may return it in its original condition within 365 days for a refund. We'll even pay for return shipping!

    Learn more about our free shipping and free returns policy

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