Every time I go 4 a walk as exercise my toes go numb what would cause this? Shoes are not the problem

Foot vs. back. Enlarged nerves in between the metatarsal bones (morton's neuroma)can cause the type of symptoms u r experiencing. Radiculopathy from either central disc or spinal stenosis can cause it as well. Get evaluated by a neurologist or and orthopedic surgeon is a good start see.