Sequin Long Sleeve Mermaid Gown

A mermaid cut is the most demanding silhouette in formalwear because it holds close through the hip and thigh before releasing at the knee, and it only works when the fabric has enough give to move with the body. The stretch sequin used here does exactly that, which is why this gown sits smoothly rather than pulling across the seams when you sit or walk.

Long sleeves make it wearable for events with a more modest dress code and for winter functions where a strapless gown means spending the evening in a wrap. The sequin coverage is continuous rather than panelled, so the colour stays consistent under changing light instead of showing obvious joins. The flare begins below the knee, which is what gives the skirt its movement and keeps stairs manageable.

It suits proms, black-tie weddings, engagement parties, awards evenings and formal winter functions. Sequinned stretch fabric responds best to spot cleaning or professional cleaning; a domestic machine wash will strip sequins from the base cloth surprisingly quickly, so check the label before laundering. Have the hem checked against the exact heel height you intend to wear, since a mermaid hem is cut long and a few centimetres either way changes how the skirt breaks at the floor.

• Stretch sequin fabric
• Long sleeves
• Mermaid silhouette
• Floor-length hem
• Professional cleaning recommended