How do I start a return?

Email us at info@fifthavenuestyle.com with your order number and the items you'd like to return. We'll send you a printable return label and simple instructions.

Is return shipping free?

The cost of the return label is deducted from your refund. If an item arrives damaged, faulty or incorrect, we cover return shipping in full.

Can I exchange an item for a different size?

Of course. Contact us with your order number and the size you need, and we'll take care of the exchange.

How long does a refund take?

Once your return arrives and has been checked, we issue the refund to your original payment method. Your bank may need a few business days to show it.

How do I find my size?

Use the Size Finder on any product page: enter your height and weight, answer two quick questions about your build and fit, and get your recommended size in seconds. Detailed measurements are in the Size & Fit tab.

What if I'm between two sizes?

Tell the Size Finder how you like your clothes to fit and it will adjust its recommendation. For outerwear, choose the larger size if you like to layer over knitwear. Still unsure? Email us and we'll help you choose.

Which payment methods do you accept?

We accept Visa, Mastercard, American Express and Discover.

Is my payment secure?

Yes. Our checkout is fully encrypted and your card details are processed securely. We never see or store your full card number.

Is the 40% off already included in the price?

Yes. Prices in the Fall/Winter 2026 collection already include the discount. The original price is shown crossed out next to the sale price.

Do you offer savings on multiple items?

Yes. Add 2 items to your bag and save an extra 10%, 3 items for 15% and 4 or more items for 20%. The discount is applied automatically in your bag and at checkout.

Where are your pieces designed?

Every Fifth Avenue Style piece is designed in the USA, with clean lines, considered materials and colors made for the season.

Do I need an account to order?

No. You can check out as a guest. An account simply makes it easier to view your orders.

How can I contact you?

Email info@fifthavenuestyle.com. Real people answer every message and we usually reply within a few hours on business days.

Gillian | Stylish Sleeveless Zip Neck Jumpsuit

Name: Gillian | Stylish Sleeveless Zip Neck Jumpsuit
Brand: US
Price: 64.95 USD
Availability: InStock

$129.95 $64.95 Save 50%

Free Shipping

In stock, ready to ship
Inventory on the way

Quantity

{"id":57645050397052,"title":"Brown \/ S","option1":"Brown","option2":"S","option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":{"id":85558902489468,"product_id":16157000925564,"position":1,"created_at":"2026-10-11T22:53:40-06:00","updated_at":"2026-10-11T22:53:44-06:00","alt":null,"width":1023,"height":1537,"src":"\/\/fifth-avenue-style.com\/cdn\/shop\/files\/8f6f12b7-e2b9-493a-ae1c-1bf2739a4764.png?v=1791780824","variant_ids":[57645050397052,57645050560892,57645050724732,57645050888572,57645051052412,57645051216252,57645051380092,57645051543932]},"available":true,"name":"Gillian | Stylish Sleeveless Zip Neck Jumpsuit - Brown \/ S","public_title":"Brown \/ S","options":["Brown","S"],"price":6495,"weight":0,"compare_at_price":12995,"inventory_management":null,"barcode":null,"featured_media":{"alt":null,"id":69782802858364,"position":1,"preview_image":{"aspect_ratio":0.666,"height":1537,"width":1023,"src":"\/\/fifth-avenue-style.com\/cdn\/shop\/files\/8f6f12b7-e2b9-493a-ae1c-1bf2739a4764.png?v=1791780824"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}

Free shipping · Order today, arrives in 5–8 business days

Secure, encrypted card checkout

90-day returnsPrintable return label by email
Ships in 2–4 business daysTracked delivery in 3–4 days
Real people, real answersEmail replies within a few hours
Designed in the USAConsidered pieces, made to last

Effortless Modern Style in One Easy Piece

The Gillian Zip Neck Jumpsuit is designed for a clean, confident look that feels as comfortable as it is polished. With its relaxed silhouette and modern detailing, it offers a versatile outfit you can wear from day to night with ease.

Why You’ll Love It

✓ Relaxed Flattering Fit — Drapes smoothly for an effortless, streamlined silhouette.
✓ Modern Zip Neckline — Adjustable detail that adds structure and a contemporary edge.
✓ All-Day Comfort — Designed for easy movement and comfortable wear throughout the day.
✓ Practical Side Pockets — Subtle and functional for everyday essentials.
✓ Versatile Styling — Dress it down with Sneakers or elevate it with heels.

The Gillian Stylish Sleeveless Zip Neck Jumpsuit is a go-to wardrobe piece for women who want simple, modern style without sacrificing comfort or practicality.

Size Guide

Find your fit.

Our pieces follow standard US sizing. If you're between sizes, choose the larger size for outerwear and knitwear and your usual size for dresses. The Size Finder on every product page gives you a personal recommendation in seconds.

Women's clothing

Size	US	Bust (in)	Waist (in)	Hips (in)
XS	0–2	31–32	24–25	34–35
S	4–6	33–34	26–27	36–37
M	8–10	35–36	28–29	38–39
L	12–14	37.5–39	30.5–32	40.5–42
XL	16	40.5–42	33.5–35	43.5–45
XXL	18	43.5–45	36.5–38	46.5–48

Men's clothing

Size	Chest (in)	Waist (in)	Neck (in)
S	35–37	29–31	14–14.5
M	38–40	32–34	15–15.5
L	41–43	35–37	16–16.5
XL	44–46	38–40	17–17.5
XXL	47–49	41–43	18–18.5

Shoes

Foot length (in)	Women US	Men US	EU
9.0	6	–	36–37
9.4	7	–	37–38
9.7	8	6.5	38–39
10.0	9	7.5	40
10.3	10	8.5	41
10.6	11	9.5	42–43
11.0	–	10.5	44
11.3	–	11.5	45
11.7	–	12.5	46

Still unsure? Email info@fifthavenuestyle.com for personal sizing help.

Every piece is made from carefully selected materials. Please follow the care label inside the garment. As a rule of thumb: wash knitwear cold and dry it flat, and have tailored outerwear professionally dry cleaned to keep its shape for years.

Free US shipping on every order. Orders are processed within 2–4 business days, then delivered within 3–4 business days. You'll receive a tracking number by email as soon as your order ships.

90-day returns. Return unworn items in their original condition within 90 days of delivery. Email us and we'll send you a printable return label; the label cost is deducted from your refund, except for damaged, faulty or incorrect items. Full return policy

Styled for the Season

The Camel Coat Shop the look

The Overcoat Shop the look

The Rust Knit Dress Shop the look

The Quilted Jacket Shop the look

Good to know

Questions, answered

Can't find what you're looking for? Write to us and we'll reply within a few hours.

info@fifthavenuestyle.com

When will my order arrive?

We process orders within 2–4 business days. Delivery within the US then takes 3–4 business days, so most orders arrive within 5–8 business days.

Is shipping free?

Yes. Standard shipping is free on every order within the United States, with no minimum.

How can I track my order?

As soon as your order ships, we email you a tracking number so you can follow your parcel all the way to your door.

Do you ship outside the United States?

At the moment we ship to addresses within the United States only.

Can I change or cancel my order?

If your order hasn't shipped yet, email us at info@fifthavenuestyle.com as soon as possible with your order number and we'll do our best to update or cancel it.