This is Dale Irby, a recently retired gym teacher in Richardson, Texas, who would appear to only own one outfit.

40 years ago, Irby wore a pointy-collared polyester shirt and a brown wool sweater vest to school on picture day. 39 years ago he accidentally wore the same pointy-collared polyester shirt and brown wool sweater vest. It was, as they say, on.

Irby's wife, Cathy, also a teacher, dared him to do it a third time. The challenge grew to five years. After that, it seemed silly not to wear it for his annual yearbook photo. After 40 years, Dale Irby wore the ensemble for the last time. He and his wife retired, and plan to travel. Here are all his photos:

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