4.8/5 Based on 12,369+ Reviews
Kathleen | Comfortable Loose Blouse
Size Guide
Measure over your underwear with the tape level and relaxed. These are body measurements, not garment measurements. Between two sizes? We recommend sizing up.
| Size | UK | Bust (cm) | Waist (cm) | Hip (cm) |
|---|---|---|---|---|
| S | 8-10 | 84-88 | 66-70 | 90-94 |
| M | 10-12 | 88-92 | 70-74 | 94-98 |
| L | 12-14 | 92-97 | 74-79 | 98-103 |
| XL | 16 | 97-102 | 79-85 | 103-108 |
| 2XL | 18 | 102-108 | 85-91 | 108-114 |
| 3XL | 20 | 108-114 | 91-97 | 114-120 |
| 4XL | 22 | 114-120 | 97-103 | 120-126 |
| 5XL | 24 | 120-126 | 103-109 | 126-132 |
All measurements in cm.
Measurements are approximate and taken by hand — allow 1-2 cm variation.
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Style that lets you breathe, comfort that moves with you
Feel effortlessly confident with the Kathleen™ blouse—your go-to favorite for comfort, ease, and everyday elegance. Whether you’re heading out or staying in, this blouse brings freedom and lightness to your day, without ever sacrificing style.

Soft, breathable feel
Crafted from premium lightweight fabric, this blouse feels like a gentle hug on your skin—perfect for all-day wear.
Casual, flattering design
The loose, draped fit creates a relaxed silhouette that complements every shape and adds effortless charm to your look.
Freedom to move
Enjoy unrestricted comfort, thanks to a flowy cut that moves with your body and never feels tight or stiff.
Effortless everyday essential
From morning errands to dinner with friends, this blouse elevates your daily outfits with timeless ease and understated elegance.

Limited stock – claim your Kathleen™ blouse today with 70% off and free shipping before it sells out!
Every By Willa order ships free across the United Kingdom
No minimum, No exceptions. You'll receive a Track & Trace code by email, so you always know exactly where your package is.
I want you to love what you ordered. If something isn't right, the fit, the colour, anything, you can return it within 60 days of delivery.
Just reach out to us first at hello@by-willa.com and let us know what happened so we can make it easy for you.
Over 10,200 English women have rated By Willa five stars for fast shipping, real quality, and a service team that actually shows up.
Your satisfaction isn't a policy, it's the whole point.