Welcome to the 50+ asylum, we don't much care what you wear, or ride for that matter. Most of us are returnees, in one form or another, just get out and ride, it will be well worth all your efforts. For me, it was good to get 2 miles a day when I started back after a lot of health issues, and 16 major surgeries. And, a few years back, I had hit 280+ lbs and was sick and tired of being sick and tired, now its 25+ miles, 6 days a week.
Stick around, we have some travelers here, business and pleasure, so I am sure you can pick up some pointers on how best to accommodate the need for a ride, or a workout. Pictures are mandatory, of you and the bicycle, post them when you get the chance.
Bill
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Semper Fi, USMC, 1975-1977
I Can Do All Things Through Him, Who Gives Me Strength. Philippians 4:13