Fiona | Women's Halter Neck Wide Leg Jumpsuit Deep V Formal
Size assistant · Women
Your size in a few seconds
Answer 4 quick questions — we'll recommend the size for this exact piece.
1 · Height & weight
2 · Your build
3 · Bust compared to average
4 · How do you like it to fit?
Our recommendation
| Size | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|
| US | 0–2 | 4–6 | 8–10 | 12–14 | 16 | 18 |
| Bust (in) | 31–32 | 33–34 | 35–36 | 37–39 | 40–42 | 43–45 |
| Waist (in) | 24–25 | 26–27 | 28–29 | 30–32 | 33–35 | 36–38 |
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Bold, Feminine, Unforgettable
The Fiona Halter Wide-Leg Jumpsuit is a show-stopping one-piece that brings confidence and elegance together in a single, effortless outfit. A deep plunging V-neck halter bodice, open back, and floor-sweeping wide-leg trousers in a vivid hot pink make this jumpsuit an instant statement piece for weddings, evening events, and every special occasion in between.
Why the Fiona Halter Wide-Leg Jumpsuit is perfect for you:
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Deep V Halter Neckline: A dramatically plunging halter neckline ties behind the neck for a secure, adjustable fit that frames the décolletage and shoulders beautifully — a bold, glamorous detail that makes this jumpsuit unmistakably occasion-ready.
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Open Back Design: The backless construction adds a striking, sensual dimension to the silhouette that elevates this jumpsuit beyond standard formalwear, creating a memorable look from every angle with minimal accessories needed.
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Floor-Grazing Wide-Leg Trousers: Generously cut legs flow all the way to the floor in a clean, sweeping line that elongates the figure and moves gracefully with every step — a silhouette that pairs perfectly with strappy heeled sandals.
- Side Pockets: Discreet side pockets add practical functionality to this elegant one-piece, making it as wearable throughout the evening as it is visually striking — style and convenience in equal measure.
Make the Fiona your statement jumpsuit for every special occasion this season.
SIZE CHART
| SIZE | BUST (IN) | LENGTH (IN) | WAIST (IN) | HIP (IN) |
|---|---|---|---|---|
| S | 31.4 | 54.29 | 25.9 | 37.4 |
| M | 33.4 | 55.1 | 27.9 | 39.3 |
| L | 35.4 | 55.9 | 29.9 | 41.3 |
| XL | 37.4 | 56.61 | 31.4 | 43.3 |
| 2XL | 39.3 | 57.4 | 33.8 | 45.2 |
When in doubt, opt for the larger size for extra comfort and a perfect fit.
Most of our pieces fit true to size. Use the size assistant above for a personal recommendation in seconds — it considers your height, weight, build and preferred fit for this exact style.
Between two sizes? For a relaxed look choose the larger size; for a closer fit the smaller one. Still unsure? Email info@aldervalestudio.com and our team will help personally.
The exact composition of this piece is listed in the product description above. To keep natural fibers beautiful:
- Wash wool, cashmere and knitwear by hand or on a gentle cycle at 30°C / 86°F, lay flat to dry.
- Refresh coats and suede by airing them out; use a soft brush for suede.
- Store knitwear folded, never on a hanger, to keep its shape.
Free shipping across the US. Orders are processed within 2–4 business days and delivered within 3–4 business days. You'll receive a tracking link by email as soon as your order ships.
90-day returns. If something isn't right, contact us within 90 days and we'll email you a return label to print. Return shipping is at the customer's cost unless the item is faulty or we made a mistake — then it's on us. Refunds are issued to your original card within 5–10 business days after we receive your return.
The ALDER VALE promise
- Try it at home — not right? Return within 90 days.
- Wrong size? We help you find the right one before you order.
- Every order tracked from our studio to your door.
- Clear prices — no hidden fees, no subscriptions.



















