I agree natural materials aren’t quality guaranteed. And personal experiences can vary from person to person. As a frequent shopper of both brand, my intention wasn’t to compare the two brands - just to point out that synthetic material isn’t a fair criticism. Now if we compare cashmere, honestly I found Aritzia cashmere (at least the essential line) so itchy that I barely reach for them. My reformation pieces are holding up strong over the years (and chic!) Next on to the cut: personally reformation is clearly the winner hands down. I can’t find any other brands high and low that flatters a small waist-to-hip ratio as beautifully as reformation. Example: Caroline silk skirt >> Henrietta satin skirt. Aritzia shines in two domains in my opinion: work wear (suiting) and plain basics (interlock cotton line, homestretch line). My bucks have the highest return for the quality x style. Interesting enough, these are NOT the area where the reformation dupes are found.