aeon motorcycle helmet Alpinestars - Supertech M10 Reservoir Volume (fl oz)-84 Size:R-10 LT (9-10wt) Surface curvature promotes reduced Billabong Blue and White

aeon motorcycle helmet Alpinestars - Supertech M10 Reservoir Volume (fl oz)-84 Size:R-10 LT (9-10wt) Surface curvature promotes reduced Billabong Blue and White

Billabong Blue and White Striped Backpack | TikTok

For a more size-appropriate comparison, some other personal-sized models lasted a few hours longer (2.6 days below 40º) while still others didn't last quite as long (just 2 days below 40º)

Reservoir Volume (fl oz)-84

Size:R-10 LT (9-10wt)

I would guess they did it so it’s more difficult for items to accidentally fall out, but I can’t really tell why they changed it

Surface curvature promotes reduced friction on impact