




Hannes Ballerina in Oyster Black
Description
Sine & Cosine Hannes Ballerina in Oyster Black is a women's flat with a horse leather upper, soft cow leather lining, satin lacing and a leather outsole with a rubber heel. The ballet-inspired shape is finished with double ribbon ties and a low heel.
- Horse leather upper
- Cow leather lining
- Satin laces
- Leather outsole, rubber heel
- Double ribbon ties
- Oyster Black colourway
Product information
- Material
- Horse leather upper; cow leather lining; satin laces; cow leather outsole; rubber heel
- Art. no.
- 04.B.H.BLK
- Made in
- Portugal
Sizing
Please note: this size chart is a general guide to compare various size scales. As each brand varies in sizing and cut please contact us with specific sizing questions.
Shipping & Returns
Delivery
All our orders are shipped including tracking by our partner PostNL, the national shipping company.
Orders placed Monday through Friday before 16:00 GMT+1 are shipped out the same day.
View all shipping information and rates
Returns & Exchanges
For a full refund, your purchase needs to be returned (arrived) back to us within the 14-day window. Starting from the day you received your order. Items bought at full price can be returned for store credit within 90 days, while sale items are only eligible for returns within the initial 14-day period, with no option for store credit.
Sine & Cosine
Founded in 2021 by two mathematicians and a historian, SINE & COSINE is an Amsterdam-based luxury footwear brand where academic thinking meets design. The brand takes inspiration from historical references, stripping them back to their most essential elements to create minimalist, contemporary footwear. For SINE & COSINE, luxury isn't just about how something looks, it's about how it's made, how it lasts, and how it fits into everyday life.





