At the crossroads of academia and design, SINE & COSINE merges mathematical clarity with historical inspiration. The Amsterdam-based footwear analyses the defining elements of classic designs with precision and clarity with each detail being carefully evaluated, embraced for its timelessness or refined to align with modern sensibilities as seen with the Hannes Derby Black Tuscany.

The Hannes Derby Tuscany is handcrafted in Portugal. The upper is made from Italian Parma leather and the lining from soft cow leather. The upper sits atop a leather frame sole and an Italian-made Vibram sole. Square toe design. Lace ups style with 100% waxwd cotton laces. Dust bags.

Colour: Black. Composition: Upper: 100% buffalo calf, Lining: 100% cow, Frame sole: 100% cow. Laces: 100% waxed cotton. Vibram Tuscany outsole.