If you use a more casual approach to styling, why not consider pairing a turtleneck with black chinos? A pair of white and black high top sneakers effortlessly kicks up the street cred of this outfit. Laid-back ensembles for over-50 guys aren't actually that hard, as you see.
Combining a turtleneck with grey chinos is a wonderful pick for a relaxed getup. White and black high top sneakers will contrast beautifully against the rest of the ensemble. This pairing demonstrates that figuring out fashion at age 50 is easier than one might think.