Button-Up Long Sleeve Shirt
Button-Up Long Sleeve Shirt
ilussa Clothing · Tops & Knitwear
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A button-up shirt with long sleeves, simple and easy to layer or wear on its own.
- 95% polyester / 5% spandex
- Button-front closure
- Long sleeves
- Classic shirt silhouette
- Relaxed, easy fit
- No stretch
- Machine wash cold, tumble dry low
Pair it with straight-leg jeans and flats for an easy everyday outfit.
Button-Up Long Sleeve Shirt

Fit & Measurements
All measurements in inches, as provided by the maker.
| Size | Top Length | Bust | Sleeve Length |
|---|---|---|---|
| XS | 29.5 | 42.1 | 22.8 |
| S | 29.9 | 43.7 | 23.2 |
| M | 30.3 | 45.3 | 23.6 |
| L | 30.9 | 47.6 | 24 |
Between sizes? View the size guide →
Product Details
Free shipping on every ilussa order, with tracking included.
Your item’s estimated delivery window is shown near the top of this page.
We offer hassle-free 30-day returns on all ilussa orders. Return your item within 30 days of delivery for a full refund or exchange.
Items must be unworn and in original packaging. View our full returns policy →
Check the variant picker for available sizes. For fit guidance, view our size guide →