If there’s one brand that knows how to make fall fashion feel effortlessly cool, it’s Aritzia. From essential layers and sleek basics to polished trousers and cozy knits, the retailer’s fall collection is basically a blueprint for that elevated, off-duty look we want to live in all season long. The only catch? Building an entire fall wardrobe at Aritzia is a bit out of our budget, since the pieces are pricey and the total adds up fast. Luckily, Amazon is packed with surprisingly luxe-looking pieces that channel the same minimalist, polished aesthetic for a whole lot less. We found 17 Aritzia-i...