Hey! Out of town at IMMD, but got a tape measure: answer is 21.5".
And for the following post, truth be told I'm planning to remove the chamioux from an old can-see-through-them-now pair but I love the pad, and sew it into the custom Wattie shorts. Will report back on how that goes.
Your thighs are maybe an inch smaller than mine. Otherwise we are close to body-doubles, from the sound of it!
That's not a bad idea to repurpose a chamois that you love. I should see about doing that with a couple of favorite Sugoi chamois that still has a lot of life left in them after I lost weight and the shorts were pretty trashed, anyhow. I'll bet my sewing whiz MIL could help with that.
"Rectum, damn near killed 'em!"
Thriving, in spite of familial metastatic colorectal cancer since 2017 (diagnosed @ 44)
Minus most of rectum/sigmoid colon and 1 lung lobe Early screening saves lives!