knapsack / backpack
seabag, duffel back
Том нёс бобриковую су́мку и футля́р для гита́ры.
Tom was carrying a duffel bag and a guitar case.
Том нёс на плече́ спорти́вную су́мку.
Tom carried his duffel bag on his shoulder.
Солдат надел вещмешок на плечи.
The soldier put his duffel bag over his shoulders.
В вещмешке лежали хлеб и вода.
There was bread and water in the duffel bag.
Он собрал вещмешок перед дорогой.
He packed his duffel bag before setting off.