Per Susan, the pattern decreases on the sleeve cause it to blouse at the cuff. To avoid this, you’ll want to follow these finishing lines to correct the pattern:
Change of sleeve decreases-
Work 17 rounds before 1st dec.
Dec round: K2, SSK, knit to last 4 sts, K2tog, K2
Work 3 rounds.
Repeat last 4 rounds to 18 sts.
Work Rib as per pattern
Colorway Options for the Paintbox Cardigan
Desert-201, Morell-107, Shadow-101
Strawberry-110, Tulip-204, Cerulean-114
Shadow-101, Rosewood-205, Tango-109
Platinum-108, Admiral-103, Shadow-101
Platinum-108, Arctic-112, Cerulean-114
Platinum-108, Pistachio-111, Strawberry-110