I absolutely adore this cardigan! It looks knitted, but it really is crochet and not that difficult at all. The stitch is a one row repeat. The cardigan is made with medium (4) weight acrylic yarn and a 6.0 mm crochet hook. The pattern is available in 6 sizes.
You can find the free crochet pattern of the Autumn Brioche Cardigan on the website of Crochet with Carrie.