Even though the dog days of summer are yet to come, forward-planning fashionistas should already have your fall accessories shopping list down pat, topped by the new Saint Laurent Niki bag.

12 toting a 'ludicrously capacious' fall bag. Rihanna, 36, carried the Saint Laurent Niki oversize bag in shearling. The fur bag has two bronze-toned chained shoulder straps and the YSL logo to ...