It's almost definitely NOT a binding problem, and there's a 99.99999999999999999% chance that a cap strap won't fix the problem.
Your toes should barely touch the front of the liner.
Salomon makes wide size boots. My buddy wears wide shoes and his Motos would start hurting about 20 minutes into the day. I pointed him towards the Salomon Synapse, he got them, and he boarded all day with me Xmas eve.
"Never attribute to malice that which can be adequately explained by stupidity."
10/11 - 24, Smote on Feb 13