roman caligae with hobnails castleford valkenburgRoman Caligae with nails. This model is based on the Caligae that were excavated in Castleford (GB) and Valkenburg (NL). This was the footwear that Roman legionaries wore. The soles are equipped with 7 mm long iron nails. The sandals are made of naturally tanned light brown leather. Available in sizes 39 45. Product details: Material: leather Thickness of the leather: 2 mm; Sole: hardened leather, nails; Available sizes: 38 46; Closing method: laces;