US$ 29.31
messenger bag similar to patagonia Critical Mass – Colour:Black/Lemongrass zippered Backpack 13 - 15´´
Backpack 13 - 15´´ computer compartment & 7´´ tablet slot, bottle pockets and many features, modular design concept - backPack
Here are some examples using Naismith’s Rule as is: How Long Does It Take to Hike 3 miles
zippered
Colour:Black/Lemongrass
If you’re starting them real young, like under 3, you want them carrying as little as possible (like a pack with a toy just to get them used to carrying a pack)
US$ 29.31
US$ 24.54
US$ 22.97
US$ 20.61
US$ 21.54
US$ 25.56
US$ 24.55
US$ 26.28