Roman shoes
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The caliga is one of the most distinctive types of footwear from antiquity – worn by Roman legionaries on campaigns across Europe, North Africa and the Middle East. If you want to complete an authentic Roman outfit, this distinctive footwear is a must-have. In our range, you’ll find caligae from Battle Merchant, made from vegetable-tanned cowhide, in sizes 39 to 47.
What are caligae? The Roman sandal explained
The term caliga (plural: caligae) is derived from the Latin word for boot or sturdy sandal. It refers to an open-toed military sandal made of leather, worn by both legionaries and sections of the civilian population. What sets them apart from modern sandals is that the sole is multi-layered and studded with iron nails – so-called hobnails or profile nails. This studded sole provided a secure grip on cobblestones, earth and uneven terrain, whilst significantly extending the sole’s lifespan.
The strap construction covered the foot and ankle and was usually cut from just a few pieces of leather – sometimes even from a single piece – with no seam in the toe area. This distinguishes the caliga clearly from the calceus, the closed shoe favoured by senators, citizens and officers, which signified a different social status. Anyone studying footwear from antiquity will quickly come across this distinction: the caliga was the soldier’s work boot – functional, durable and designed for long marches.
Caligae based on archaeological finds: Castleford and Valkenburg
Two sites have had a decisive influence on the modern reconstruction of caligae: Castleford in Yorkshire (England) and Valkenburg in South Holland. Both finds date from the 1st and 2nd centuries AD and provide well-preserved originals, whose strap patterns and sole construction are documented in detail. The models in the range are directly based on these finds – particularly relevant for re-enactment groups with historical presentation requirements.
- Wider, distinctive strap structure
- Robust appearance, clearly military in style
- Particularly well-suited for depictions of legionaries
- Nail studs on the sole well documented
- Slightly more delicate strap design
- More elegant overall impression
- Also suitable for civilian depictions
- Sole construction comparable, upper leather slimmer
Both variants are available in the range as ‘Caligae Castleford/Valkenburg’ and represent the option closest to the historical sources for re-enactors working historically.
Construction and materials: How a caliga is made
| Component | Material | Function |
|---|---|---|
| Upper leather | Vegetable-tanned cowhide leather, approx. 2–3 mm | Strap construction, secure fit |
| Sole | Multi-layer cowhide leather | Cushioning, shaping |
| Hobnails (pin nails) | Carbon steel nails | Grip on stone and earth, durability |
| Colour | Natural brown | Darkens with wear and care |
Vegetable-tanned leather is more malleable and durable than industrially tanned alternatives – it moulds to the foot with wear and responds well to leather care. The studded pattern on the sole is not a decorative feature, but was a well-thought-out solution for long-distance wear in ancient times. Legionaries covered 25 to 30 kilometres daily on the march – the footwear had to be designed accordingly.
Buying caligae: What to look out for when purchasing
Vegetable-tanned cowhide is the historically accurate and more durable choice compared to industrially tanned leather. It is sturdier, absorbs leather care products better and moulds to the shape of the foot over time. When buying, ensure that this feature is explicitly mentioned in the product description.
Carbon steel nails are the authentic material for hobnails. They provide grip on natural surfaces and cobblestones and are significantly more durable than simple steel nails. With intensive use on hard surfaces, nails may need re-fitting over time – a cobbler can help with this.
Caligae are available in EU sizes based on foot length – ranging from size 39 to 47. With open-toe sandal designs, it is advisable to choose the next size up if you are on the borderline, as leather stretches slightly and a size that is too tight may cause pressure points. Larger widths (44–47) are priced slightly higher in the range.
Caligae are suitable for re-enactment groups specialising in Roman history, Roman-themed events, open-air museums, film productions and historical costumes. For stage combat on hard surfaces, the studded sole offers an advantage over a smooth leather sole. Care should be taken on parquet or smooth stone floors – the studs provide less grip there.
Vegetable-tanned leather responds well to leather grease and leather wax – regular care maintains suppleness and protects against cracks. A natural darkening of the colour through wear and care is normal and desirable for natural leather. Leather care products are available in our range.
Roman shoes for men and women: fit and sizes
Caligae are anatomically designed to be unisex – men’s and women’s models differ primarily in size, not in cut. The range extends from size 39 to 47, thus covering most shoe sizes. Historically, caligae were not exclusively military footwear: the civilian population also wore similar open leather sandals, which underlines their suitability for various forms of re-enactment.
For sizes on the borderline, we recommend choosing the next size up, as leather stretches slightly. For a cohesive overall look, the caligae can be combined well with a Roman tunic, a Roman belt or antique armour pieces from the Roman Shop. Those wishing to expand their outfit further will find matching Roman bags and antique armour in the range.
Historical background: Caligae in antiquity
Early Republic
First documented use of military sandals in the Roman army. The basic leather construction with a studded sole became standard equipment for the legions as they advanced through Italy.
Imperial period – the heyday of the caliga
The caliga is an integral part of the legionaries’ equipment on campaigns from Britain to Mesopotamia. Archaeological finds in Castleford (England) and Valkenburg (Netherlands) date from this period and serve today as models for reconstructions. Emperor Caligula owes his nickname to the term ‘little soldier’s boot’ – he grew up in a legionary camp and wore a miniature caliga as a child.
Late Antiquity
With the transformation of the Roman army’s structure and the increased deployment of auxiliary troops, footwear also evolved. Ordinary legionaries and auxiliary troops wore caligae, whilst officers preferred calcei or calcei senatorii – a distinguishing feature documented in written sources and visual representations. The caliga accompanied the Empire until its demise in the West.
Caring for caligae and ensuring their longevity
Vegetable-tanned leather responds well to regular care. After wearing – particularly after contact with moisture or heavy use – you should allow the caligae to air-dry before storing them. Never dry wet leather directly on a radiator, as this will make it brittle. Rubbing in leather grease or leather wax maintains suppleness, protects against cracks and deepens the natural colour – which is expressly desirable in natural leather.
The studs on the sole may wear down after prolonged, intensive use on hard surfaces. A cobbler can replace individual studs or repair the sole. Caligae are designed for outdoor use and generally cope with wet conditions better than many medieval shoes with delicate stitching – nevertheless, storing them in a dry place will extend their lifespan. You can find detailed advice on leather care on the Vehi Mercatus blog.
Whether for authentic re-enactment, an open-air museum or a period-appropriate Roman costume – Caligae made from vegetable-tanned cowhide based on archaeological finds are the right choice. Browse through our range and find the right model for your foot size and intended use.
Frequently asked questions
The best-known term is caliga (plural: caligae). The word is derived from the Latin term for a boot or sturdy sandal. In addition to the caliga, there were other types of footwear in ancient Rome: the calceus was a closed shoe for senators and citizens, whilst the carbatina was a simpler form of sandal for civilians.
The caliga is an open-toed military sandal made of leather with a multi-layered sole studded with iron nails (hobnails). This studded sole provided grip on cobblestones and natural ground, making the caliga the ideal footwear for long marches. The strap construction covers the foot and ankle and was often cut from a single piece of leather – with no seam in the toe area.
Caligae are available in the range of EU sizes 39 to 47. As leather stretches slightly and the sandal construction is open, we recommend choosing the next size up if you are between sizes. Caligae are anatomically designed to be unisex, making them equally suitable for men and women.
Yes – particularly in the field of historical re-enactment, at Roman-themed events, in open-air museums and in film productions, authentic caligae based on archaeological finds are worn. Furthermore, the style of the strappy sandal has survived in fashion to this day under names such as ‘gladiator sandals’ or ‘Roman sandals’, even though these modern versions have little in common with historical caligae.
After wearing, caligae should be left to air dry – never directly on a radiator, as this will cause the leather to become brittle. Regularly rubbing them with leather grease or leather wax maintains suppleness, protects against cracks and deepens the natural colour. The iron nails in the sole may become worn after prolonged use on hard surfaces – a cobbler can replace individual nails.