Ruben 27
A breathable slip-on for men who want to go sockless without going open-toe.
Color:
Shark
Free Shipping & Free Exchanges
60-day Returns
Family-Owned Since 1886This full-grain leather slip-on delivers lightweight comfort and breathability built for warm-weather everyday wear.
- Full-grain leather upper offers durability with a refined look that ages well.
- Leather lining regulates temperature and wicks moisture for a dry feel.
- Double elastic gore provides easy entry and a secure, adaptive fit.
- Removable insole accommodates custom orthotics for personalized support.
- Flexible & durable polyurethane outsole moves naturally with your foot all day.
Find your size quickly. Use this EU‑to‑US chart for women and men to pick the right Josef Seibel fit.
| Women | Men | ||
|---|---|---|---|
| EU | US | EU | US |
| 36 | 5-5.5 | 41 | 7.5-8 |
| 37 | 6-6.5 | 42 | 8.5-9 |
| 38 | 7-7.5 | 43 | 9.5-10 |
| 39 | 8-8.5 | 44 | 10.5 |
| 40 | 9-9.5 | 45 | 11-11.5 |
| 41 | 10-10.5 | 46 | 12 |
| 42 | 11 | 47 | 13 |
Free shipping, 60‑day returns, and a quality guarantee on every order.
We accept returns within 60 days of the purchase date. Returned product must be unworn, resalable, in original condition & packaging to receive a refund. We provide a flat-rate $8 return label for returns.
We offer free shipping on exchanges. If you need to exchange for a different size, color or style, use our Returns Center. Please note, any difference in price will be adjusted once your exchange is complete.
For more details, check out our Return & Exchange policy here.