"The Puff shirt sewing pattern has overlap shoulders that create an elegant boatneck. The sleeves are wide at the bottom and gathered with elastic folded inwards which creates a puff sleeve. Even though the end result looks very refined and elegant, it's really easy and fun to make." (per pattern designer) Sizes: XS-L Skill level: Advanced beginner Suggested fabrics: Suggested fabrics are light to medium light weight fabrics such as cotton, silk, lawn, linen, crepe de chine or wool crepe.