The Biar features:
- Upper: 75% calfskin leather and 25% textile
- Inner lining: 50% textile, 25% other materials and 25% calfskin leather
- Sole: 100% synthetic
- Cushioned insole
- Removable insole
- Padded ankle collar
- Thickness of the sole 4,5 cm (1.8")
- Extra light weight sole