Zimmermann Aster Billow Maxi Dress is a silk maxi from the Summer Swim 2026 collection, featuring a shirred stand collar and short billow sleeves. It balances relaxed resort styling with functional details for daytime or occasion wear. Key attributes: Multicolor | Mauve Jacobean | Silk | Removable chain belt | Side seam pockets | Shirred stand collar | Short billow sleeves | Shirred neck and sleeve cuffs | Buttons down centre front | Placement print | Dimensions & fit: Length: 0P 49 in | 0 54 in | 1 54.5 in | 2 54.5 in | 3 54.5 in | 4 55 in | Bust: 0P 50.5 in | 0 52 in | 1 54.5 in | 2 56.5 in | 3 58.5 in | 4 60.5 in | Sleeve: 0P 16.5 in | 0 17.5 in | 1 17.5 in | 2 18 in | 3 18.5 in | 4 18.5 in | Relaxed fit | Fits true to size | Available in size 0P for clients under 5'3" / 160 cm; model is 5'9.5" / 178 cm and wears a size 0 | Composition & care: Main: 100% silk | Pocketing: 100% silk | Dry clean only (code F - hydrocarbon only). Remove detachable trims prior to dry cleaning; cover trims to protect; iron at low temperature with protective cloth; light steam only; do not spot clean.