Laura M.
★★★★★The fit was flattering right away and I did not have to keep adjusting it. I paired it with simple sandals and felt completely put together.
Riah Button-Up Knit Cardigan
$59.99
$119.98
Save 50%
Free UPS shipping
30-day returns
Chosen for your ordinary Tuesday
23 YEAR ANNIVERSARY SALE · 50% OFF
Selling fast! Only 3 left
“A piece is only good if you reach for it on an ordinary Tuesday.”
— Maria, Mason Whitman 🤍🗽
Effortless Comfort, Timeless Simplicity
This Riah Button-Up Knit Cardigan blends everyday comfort with refined casual style. Made from soft fabric, it offers breathability, freedom of movement, and a flattering loose fit—perfect for lounging at home, running errands, or layering for a chic, relaxed look.
Why You'll Love It
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Soft Fabric: Crafted from breathable fabric with gentle stretch for comfort and durability throughout the day.
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Relaxed Loose Silhouette: Designed to drape effortlessly over the body, offering a flattering and comfortable fit.
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Elegant Lapel Detail: Adds a subtle touch of sophistication, elevating a simple design to timeless casual elegance.
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Versatile Everyday Wear: Perfect to pair with jeans, leggings, or skirts for a polished yet relaxed look.
Specifications:
- Material: Soft breathable fabric
- Fit: True to size
- Collar Type: Lapel
- Style: Comfortable Casual
- Care Instructions: Machine wash cold or hand wash; tumble dry low or lay flat to dry; do not bleach
- Available Sizes: S-5XL (Check size chart for a perfect fit)
Shipping Information
We offer free shipping on all orders.
Orders are dispatched within 1–2 business days. Delivery within the United States takes 4–6 business days after dispatch — 5–8 business days in total.
Once your order has been placed, you will receive a confirmation email containing your order details and reference number.
As soon as your order has been dispatched, we will send you a separate email with your tracking number, allowing you to follow your shipment every step of the way.
For more information, please refer to our Shipping Policy.
Returns & Exchanges
We offer a 30 day return or exchange policy if you are not happy with your order for any reason.
For more information please see our Refund Policy.
Customer Support
The Mason Whitman team is here for you. Personal service, always with care. Click here to contact us.
Size Guide
| Size | Bust (in) | Length (in) |
|---|---|---|
| S | 42.52 | 23.62 |
| M | 44.49 | 24.02 |
| L | 46.46 | 24.41 |
| XL | 48.43 | 24.80 |
| 2XL | 50.39 | 25.20 |
| 3XL | 51.97 | 25.59 |
| 4XL | 53.94 | 25.98 |
| 5XL | 55.91 | 26.38 |
Twenty-three years on West 23rd Street
Twenty-three years ago this September, I turned the key on a narrow shop on West 23rd Street. I was twenty-three years old, with my mother's pattern notebook under my arm and not much else.
She'd spent thirty years cutting on Seventh Avenue. She taught me one rule: a piece is only good if you reach for it on an ordinary Tuesday. That's still the only rule this store has.
This week I've now spent exactly half my life on this street. So for one week, everything is half off — and a little extra when you take more than one home:
10% extra on 2 · 15% extra on 3 · 20% extra on 4+
Your extra discount is applied automatically at checkout.
These are the pieces New York keeps coming back for. I won't be restocking them at this price. Once they're gone, they're gone.
— Maria 🤍🗽
Discover nowCustomers love our boutique
The Mason Whitman community
Robert J.
★★★★★The fit is clean and comfortable, and the fabric feels breathable. It worked just as well for dinner as it did for a casual afternoon.
Susan T.
★★★★★I was unsure about ordering online, but this exceeded my expectations. The fabric feels lovely and the shape is forgiving without looking oversized.
David S.
★★★★★Exactly the kind of easy shirt I wanted. It looks sharp with linen trousers and stayed comfortable all day.
Deborah K.
★★★★★The color is even prettier in person. It moves beautifully, feels light, and was comfortable enough to wear from lunch through the evening.
Michael D.
★★★★★Simple, well fitting, and easy to style. I have already worn it twice and know it will be in regular rotation.
Michelle R.
★★★★★I wore this to dinner on vacation and felt comfortable the entire evening. It looks polished in photos, but never felt stiff or fussy.
Karen B.
★★★★★This has already become one of those pieces I reach for when I want to look polished without overthinking my outfit.
Patricia L.
★★★★★Comfortable, flattering, and easy to dress up or down. I wore it for several hours and still felt great by the end of the day.
Cynthia A.
★★★★★The print is beautiful and the fit feels relaxed in all the right places. I received two compliments the first time I wore it.
Nancy W.
★★★★★It feels feminine without being too dressy. The fabric falls nicely and the details make it look much more expensive than it was.