Company

Contact

Have a question about On Cloudmonster sizing, an order, a delivery, or a return? Reach our support team with the details below and we will get back to you within one business day.

Reply within 1 business daySizing and fit adviceOrder and tracking helpReturn and refund support

Email support

Channel

1 business day

Reply target

Order number

Best detail

Canada

Market

How to reach us

Email is the best way to keep your order history, tracking details, and any follow-up in a single searchable thread. We read every message and reply with specific next steps, not templates.

  • Include your order number and checkout email address
  • Share the product name, size ordered, and your usual running size for fit questions
  • Attach clear photos for any quality concerns
  • Flag address or delivery errors as early as possible

What our support team handles

Our team can help with On Cloudmonster sizing advice, US delivery updates, return instructions, refund status, and general product questions for Canada.

  • On Cloudmonster size and fit recommendations
  • Domestic shipping and tracking updates
  • 30-day return process and refund follow-up
  • CloudTec cushioning and ride character questions

Before you write in

Most sizing questions are answered in our Size Guide. Delivery timelines and return steps are detailed on their dedicated pages. If your question is not covered there, our team is happy to help directly.

Frequently asked questions

How quickly will someone reply?

Most inquiries receive a reply within one business day. Active order and delivery issues are prioritized so we can act while options are still available.

What information should I include in my message?

Order number, checkout email address, product name, size, and a brief description of the issue. Photos help for any quality or condition concern.

Can you help me pick the right On Cloudmonster size?

Yes. Share your usual running shoe size, your preferred fit (snug or roomy), and whether you plan to use the shoe for daily training or longer road efforts. We will give you a specific recommendation.

I need to start a return. Where do I begin?

Check the Returns page for step-by-step instructions. If anything is unclear, contact support with your order number and we will walk you through the process. Returns are free for 30 days with no restocking fee.

Support request

Send us the details

Include your order number if you have one. The support team will use your email as the reply address.