Obsidian Wave
Find your best fit
Measure your heel-to-toe length, then match it to the chart below.
| EU size | 37 | 38 | 39 | 40 | 41 |
|---|---|---|---|---|---|
| Foot length | 23.5cm | 24cm | 24.5cm | 25cm | 25.5cm |
For the most accurate result, measure your foot while standing.
Try it at your door
Add 2 or 3 items to your cart. At delivery, try them on, keep your favorites, and pay only for what you keep.
- Choose 2–3 items
- Try them at delivery
- Pay only for what you keep
No commitment until you choose at the door.

Obsidian Wave is a sleek black slip-on flat with a glossy patent finish and subtle textured pattern. The low-profile silhouette keeps it simple, while the shine gives it a polished edge for day-to-night dressing.
Pair it with tailoring, denim, black trousers, skirts, or dresses when you want a comfortable flat that still feels refined.
- Color: Black
- Material: Patent-look faux leather / synthetic upper with flexible sole
- Closure: Slip-on
- Toe: Soft rounded toe
- Style: Glossy textured flat / day-to-evening shoe
Need help choosing a size, color, or style? Message Hatchill support before checkout and we will guide you before you order.
- Care: Keep your piece away from harsh cleaning, direct heat, and heavy moisture unless the product care notes say otherwise.
- Fit notes: Check the product description for model, fit, and material guidance when available.
- After purchase: Contact us quickly if you need help with your order.