I have Royer Work Boot size 11 work boots for sale- model number 10-8550. Too small. Never been worn ( only tried on once ;) ) Manufactures description below:
Slip and oil resistant lightweight FLX rubber sole for improved flexibility
Composite protective toe
Non-metallic puncture resistant plate
Dielectric (ESR) protection
Wear resistant TPU Pareshok bumper toe
Airflow waterproof and breathable membrane
Wear and tear resistant professional hockey grade nylon
Sealed seams
Low-density soft foam footbed for added comfort
Silverclear treated Taibrelle lining