Kasia | Modern Jumpsuit

Regular price $74.95 $250.00 Sale priceSave 70%
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ANNIVERSARY SALE UPDATE: Due to the high order volume, our stock is very limited... If you are still able to press the "Add to Cart"button, there's still some stock left!

Effortless One-Piece Sophistication

The Kasia™ Elegant Short-Sleeved Jumpsuit combines timeless elegance with modern ease. Designed with a refined cut, soft drape, and flattering elbow-length sleeves, it offers the perfect balance between comfort and style.
From daytime gatherings to evening occasions, the Kasia™ moves gracefully with you — a one-piece statement of understated confidence and effortless charm.

WHY YOU’LL LOVE IT

✓ Soft, Relaxed Fit – Gently drapes the body while offering ease of movement and refined simplicity

Elbow-Length Sleeves – Provide moderate coverage perfect for all seasons and versatile styling

Straight-Leg Trousers – Structure the silhouette beautifully, elongating the legs and complementing all footwear styles

Functional Side Pockets – Seamlessly integrated, they offer practical storage and effortless style

Perfect for everything from work presentations to relaxed dinners, the Kasia Jumpsuit elevates your ensemble with effortless polish and versatile charm.


Size Length Bust Hem Sleeve
S 134 110 57.9 23.1
M 136 114 58.9 23.9
L 138 120 58.9 23.9
XL 140 126 59.9 24.9
XXL 142 132 59.9 24.9
XXXL 144 144 61 25.9

If you're unsure between sizes, always go one size up. This ensures maximum comfort while maintaining a great fit.

At James & Lila – New York, we are committed to sustainability by using high-quality, eco-friendly fabrics.

Our philosophy is to design timeless, premium garments made to last for years.

This way, you can enjoy sustainable fashion without ever compromising on style or quality.

Free Shipping

Your order will be shipped via UPS, and you will receive a tracking number within one business day to monitor your delivery status.

30-Day Money-Back Guarantee

We love our products and are confident that you will too! That’s why we offer a 30-day return policy. If you're not satisfied with your purchase for any reason, you can return or exchange it within 30 days.

★★★★★

They emailed me to let me know that my addres was not entirely correct, so they wanted to ensure I received my order! Very kind and good costumer support

Brian K.
Manhattan, NY
★★★★★


Professional service and reliable quality. This is exactly why I’ll be a repeat customer.

Kevin J.
New Rochelle, NY
★★★★★

Exactly what I was looking for. Great quality and super fast delivery. Couldn’t be happier.


Michael R.
Brooklyn, NY
★★★★★

First received the wrong size, an I sent them an email and they immediatly sent a new one. Good costumer support

Matthew R.
Queens, NY
★★★★★

Excellent value for the money. I was pleasantly surprised by how good it turned out.

Brian C.
Newark, NJ
★★★★★

Solid product at a great price. Everything arrived on time and in perfect condition

David K.
Jersey City, NJ
30-Day Money-Back Guarantee

We love our products and are confident that you will too! That’s why we offer a 30-day money-back guarantee. If the product doesn’t meet your expectations, simply return it for a full refund.