Should I wear knickers below my lycra? No, no and one hundred times no. But also yes.
Proper Bike Fit Can Prevent Pain and Injury
Never, ever wear underwear under your cycling shorts and other wisdom
What do you wear under cycling shorts if you can't wear underwear? - Quora
Don't Wear Underwear On A Bike Ride And Other Beginner Cycling Tips
I had a huge swelling': why my life as a female cyclist led to vulva surgery, Women
A Beginner's Guide to Cycling Workouts
Wearing underwear under your cycling shorts: do or don't
Wearing underwear under your cycling shorts: do or don't
Should You Wear Underwear While Working Out?
Let's Talk Underwear for Hiking - Uncommon Path – An REI Co-op Publication
8 Things to Consider When Buying Cycling Shorts