Heart Of Mine Lavender Balloon Sleeve Knit Sweater DressLulus Exclusive! The Lulus Heart Of Mine Lavender Balloon Sleeve Knit Sweater Dress is giving us all the warm and fuzzy feels! Soft and stretchy medium-weight knit shapes this chic sweater dress with a V-neck and bodycon fit. Statement-making balloon sleeves with ribbed cuffs add a trendy touch to this classic look. Mini hem.