Is it normal to wear Birkenstocks without socks?
Yep.Totally normal
Yes, it’s completely normal to wear Birkenstocks without socks. They’re designed to be worn either way, so it mostly comes down to comfort and weather.
Absolutely. Plenty of people wear Birkenstocks barefoot, especially in warm weather; others add socks when it’s chilly or just because they like the look. There’s no footwear rulebook, thankfully.
If they feel comfortable and your feet aren’t getting rubbed or sweaty, you’re good. Just give the sandals a clean now and then, particularly if you wear them barefoot a lot.