Mammut Kento High GTX mountaineering boots

New mountaineering boots, I wore them for about an hour and a half to try to break them in but realized they´re too tight for me (sized at US mens 9) The sizing chart is in the last picture.

1. Your order is usually shipped out within 24-48 hours after your payment is received.
2. The tracking number of your parcel will be sent to you after your order is despatched. You may use the tracking number to check the status of your order online.
3. The shipping fee will be auto-added in the grand total when you send payment.

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