Fien | Button-Up Knit
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Free Shipping with UPS
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100% Return Guarantee
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American Family Business Since 2015
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 elegance with timeless ease
A versatile knit that layers sophistication into your everyday wardrobe.

The Fien Button-Up Knit is a chic essential designed to blend refined style with relaxed comfort. With its classic button-up front and flattering silhouette, it transitions seamlessly from morning meetings to weekend gatherings, making it your go-to piece for effortless layering and polished charm.
Why you’ll love the Fien Knit
✔️ Button-up detailing – A timeless touch for a polished look
✔️ Flattering fit – Designed for comfort while keeping your style sharp
✔️ Versatile layer – Perfect over tops, dresses, or trousers
✔️ Everyday essential – Works for workdays, casual outings, or cozy evenings
Why 30,500+ women love the Fien Knit
"It’s the piece I reach for when I want to look elegant without even trying." – Emma W.
Bring ease and sophistication into your daily style – the Fien Knit is ready to become your new favorite layer.
Size Chart – Fien Button-Up Knit (inches)
| Size | Bust | Shoulder | Sleeve | Length |
|---|---|---|---|---|
| S | 35.8 | 15.8 | 23.6 | 26.4 |
| M | 38.2 | 16.1 | 24.0 | 26.8 |
| L | 40.9 | 16.5 | 24.4 | 27.2 |
| XL | 43.7 | 16.9 | 24.8 | 27.6 |
| 2XL | 47.2 | 17.3 | 25.2 | 27.9 |
At Eve & Claire, we are committed to sustainability by using high-quality, eco-friendly fabrics.
Our philosophy is to create timeless, premium garments that last for years.
This means you can enjoy sustainable fashion without 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.
Eve & Claire has over 150,000+ happy customers and our customers rate us 4.8/5.0