I bought this on Rakuten on February 5th. It fit perfectly with a thick balaclava on, but it was a little loose when worn without it, so I exchanged it for an XL size. I've only tried it on indoors. White helmet with ventilation holes, size XXL (Japanese size L) - Brand: bern - Model name: Macon 2.0 - Size: XXL (Japanese size L, 60.5-62cm) - Color: White - Features: With ventilation holes Thank you for looking.