I have not.
I generally would just threaten ombudsman for insurance stuff anyway as the regulators will mostly side with you if the wording isn't clear on the policies. I would think it being through amazon as well they would want it dealt with minimal fuss.
Not sure how this will work out but the gripgrab aquashield overshoes are reduced on amazon at the xl size (10) https://www.amazon.co.uk/GripGrab-Overshoes-Zipperless-Shoe-Covers-Performance/dp/B0846C8BS7/ref=asc_df_B0846C8BS7?mcid=dda9b3dcc5b737698129d97727ba349b&th=1&psc=1&tag=googshopuk-21&linkCode=df0&hvadid=697338324890&hvpos=&hvnetw=g&hvrand=14495588389947324057&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=9193408&hvtargid=pla-1001207694413&psc=1&gad_source=1
I've then got the 2 year warranty which says includes accidental damage for a few quid.