Vallis Lyocell-blend twill midi shirt dress
ULLA JOHNSON's dresses release enters Vinchy's AI lab for a closer look at fabrication, fit, and care notes.
Tagged at $414, quality lands at 60/100, comfort at 70/100, and sustainability at 80/100 for discerning shoppers.
- Brand · ULLA JOHNSON
- Category · Dresses
AI scorecard
What matters most for shoppers researching this piece right now.
Craftsmanship, stitching, and long-term durability.
Movement, breathability, and day-long wear.
Environmental impact and responsible sourcing.
Attribute deep dive
We break down what drove each score so you can weigh trade-offs.
Quality Analysis 60/100
This Ulla Johnson dress, crafted from Lyocell-blend twill, offers a soft, fluid feel. While the "streamlining seams" and "paneled waist" suggest thoughtful construction, the "dry clean" care instruction, without further justification, hints at a garment that might require more delicate handling than everyday wear.
Comfort Assessment 70/100
This Lyocell-blend twill dress offers a soft, fluid feel, promising a comfortable drape. However, its non-stretchy fabric and slightly fitted design at the bust and waist might limit some movement, though it is loose at the hip.
Sustainability Impact 80/100
This Ulla Johnson midi shirt dress is crafted from a Lyocell-blend twill, a bio-based fiber known for its soft, fluid feel, offering a more sustainable material choice.
Measurement breakdown
Measurements across available sizes.
| Size | Bust | Shoulder | Waist | Sleeve | Length | Hip |
|---|---|---|---|---|---|---|
| US6 | 88 cm | 41 cm | 82 cm | 43 cm | 126 cm | 120 cm |
| US10 | ||||||
| US8 | ||||||
| US2 | ||||||
| US00 | ||||||
| US0 | ||||||
| US4 | ||||||
| US12 | ||||||
Gallery
Reference shots help you validate textures, hardware, and proportion before you buy.




Garment details
Need-to-know info pulled from the retailer’s description, sizing notes, and care callouts.
Editors’ Notes: Ulla Johnson's 'Vallis' dress is made from Lyocell-blend twill that has a soft, fluid feel. It's designed in a chic shirt-inspired shape and has streamlining seams and a paneled waist. Incredibly versatile, you can wear it with everything from sneakers to mules or ankle boots, depending on the season. Large to size. See Size & Fit notes.
Editors’ Notes: Ulla Johnson's 'Vallis' dress is made from Lyocell-blend twill that has a soft, fluid feel. It's designed in a chic shirt-inspired shape and has streamlining seams and a paneled waist. Incredibly versatile, you can wear it with everything from sneakers to mules or ankle boots, depending on the season. Large to size. See Size & Fit notes.
Size & Fit: Fits large to size, take one size smaller than normal Cut to be slightly fitted at the bust and waist, loose at the hip Mid-weight, non-stretchy fabric Model is 180cm/ 5'11", normally wears a US 2 and is wearing a US 0 Model measurements: Bust: 85cm/ 33.5" Waist: 62cm/ 24.5" Hip: 88cm/ 34.5" View size guide
Details & Care: Mustard Lyocell-blend twill Button fastenings through front 94% Lyocell, 6% polyamide Dry clean Designer color: Fawn
Delivery & Returns: Find out more about our delivery options . Try items in the comfort of your own home. If they're not quite right, you've got 28 days to request an exchange or return and send them back to us. We'll collect them from your nearest UPS drop off point. Free returns are offered within 14 days of delivery.