K-cliffs Padded Unisex School Backpack Classic Mesh Pocket

Target

Black color, Generic daypack form factor, Padded shoulder straps, Lack of prominent visible branding aligns with source

Patagonia Refugio Day Pack 26L

Patagonia

Black color, Daypack category, Padded shoulder straps

DSG Ultimate Backpack 5.0

DICK'S Sporting Goods

Black color, Generic daypack form factor, Padded shoulder straps