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30-Day Money Back Guarantee
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Loved for the comfort, kept for the style
Diane™ | Ultralight Down Jacket

35TH ANNIVERSARY SPECIAL DISCOUNTS:
- Buy 2 → Save 15% Extra
- Buy 3 → Save 20% Extra
- Buy 4 → Save 25% Extra
- Buy 5 → Save 30% Extra
STOCK SELLING FAST: BUT STILL AVAILABLE IF YOU CAN ADD TO CART
Sophia M.
and 45,000+ Women throughout Canada trust Mason-Sorella for timeless comfort and style.
The lightest and most versatile jacket
Ideal for the transitional seasons, Theresia® features the recognizable silhouette of a famous jacket, yet offers optimal lightness and comfort for everyday use. Highly effective and comfortable for daily wear (you won't want to take it off).
100% Waterproof
The Theresia® jacket features waterproof technology, making it a fully waterproof garment.
Why do we know you'll love our jackets?
- High-quality Materials: The blend of white duck down and premium cotton ensures maximum comfort and insulation against rain.
- Elegant Pleats: Stylish pleats add a touch of sophistication to your winter wardrobe.
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Wide Range of Colors: Choose from a selection of beautiful colors to match your style.
- Multifunctional Pockets: Store your essentials in the spacious and practical pockets.
Prepare for the rainy season with our new pleated cotton jacket filled with white duck down: Don't miss this seasonal must-have!
Can be folded and rolled into its pocket, and it's waterproof too (forget about heavy coats).
Official Certificate for White Duck Down
All our jackets come with an official certificate confirming compliance with the strictest quality standards and are made with white duck down.
45,000+ satisfied customers
Product features

Maximum flexibility

Wrinkle-free

Breathable & quick-drying fabric

Odorless
Free shipping
Today only: Free shipping throughout Canada
Each package we send includes a handy track & trace code so you can follow your order step by step! You will receive your code by email within 24 to 72 hours of placing your order. Stay up to date and look forward to your delivery!
30-day money-back guarantee
If our product does not meet your expectations, don't worry! You can return it within 30 days of receipt. Simply contact our friendly customer service team at info@sorella.com and let us know why you want to return it. This will help us process your request smoothly.
For more information, please see our return policy! We are happy to help!
24/7 customer service
Do you have any questions or need help? Our dedicated customer service team is available around the clock! Whether you need product advice or help with your order, we are here for you.
Don't hesitate to contact us, we're happy to help! 💬
As seen in

35 years of passion
Mason Sorella began in 1990 with a love for the coast and one simple goal: to help women feel good in what they wear.
35 years later, we’re still here, dressing women across the country with comfort and timeless style.
To celebrate, we’re offering our biggest sale yet, up to 80% off our most loved pieces.It’s our way of saying thank you, for every note, every photo, every order.
With love🤎
Maria M. & Team Mason Sorella
Frequently asked questions
How long will it take for my order to be delivered?
Our standard delivery time is 5–7 business days. Once your order has been shipped, you will receive a tracking number via email.
Can I pay by creditcard?
Yes! You can pay securely and conveniently with creditcard!
Do you offer free shipping?
Yes, we offer free premium shipping on all orders, regardless of the order value.
What if the size doesn't fit?
No problem! You can exchange the item for a different size as long as it is unworn and in its original condition. Simply contact our customer service team to arrange the exchange.
Are there any additional costs or customs duties?
There are no customs duties or hidden costs for orders within Canada. The price displayed is the final price.