are all timbuk2 bags waterproof Relo 25L Personal Item Backpack — Flight Approved Carry On, Clamshell, Laptop Sleeve, Zippers, Underseat Bag, Fits 15" Laptop, Women & Men, Black : Electronics Like a handy little m.media-amazon.com/images/I/61H91nhNcqL._AC_SL1500... Color:IRON CLAY/ANTHRACITE GREY/LAVA SPORT_VALUE:HIKING|HIKING|SNOW HIKING

are all timbuk2 bags waterproof Relo 25L Personal Item Backpack — Flight Approved Carry On, Clamshell, Laptop Sleeve, Zippers, Underseat Bag, Fits 15" Laptop, Women & Men, Black : Electronics Like a handy little m.media-amazon.com/images/I/61H91nhNcqL._AC_SL1500... Color:IRON CLAY/ANTHRACITE GREY/LAVA SPORT_VALUE:HIKING|HIKING|SNOW HIKING

m.media-amazon.com/images/I/61H91nhNcqL._AC_SL1500...

Padded adjustable straps, a ventilated back panel, combination lock, and external USB pass-through support longer carries and mobile workdays

SPORT_VALUE:HIKING|HIKING|SNOW HIKING

Color:IRON CLAY/ANTHRACITE GREY/LAVA

And just note, even though bigger bags like the 45-liter options can technically be used as a carry-on, when stuffed, they can be deemed too large and may have to be checked in at the gate, depending on your airline

Like a handy little sidekick