Understanding bone spurs on the foot – and discovering comfortable Merino trainers

What is an exostosis (bone spur) on the foot?
An exostosis – commonly called a bone spur – is a benign, bony outgrowth that forms on or just beneath existing bone. On the foot it is a relatively common orthopaedic finding: many people first notice it as a palpable bump that rubs in the shoe or is visible from the outside. Not every bone spur is painful – but if friction, pressure points or inflammation occur, a thorough assessment is worthwhile.
Important: A bone spur is neither a cyst nor a tumour, but real bone tissue. This distinguishes it from so-called ganglia (ganglion cysts), which can also appear as lumps but are filled with joint fluid.
How does a bone spur develop?
The causes are varied. Often, several factors interact:
Ongoing mechanical stress When joints or bones are unevenly loaded over a long period, the body may respond by building additional bone. This particularly affects people who stand or walk a lot – or wear shoes that don’t suit their foot shape.
Misalignment Congenital or acquired foot misalignments such as flat feet or fallen arches can change pressure distribution and encourage the development of exostoses.
Inflammatory conditions Conditions such as osteoarthritis or rheumatoid arthritis can be accompanied by bony changes.
Injuries After fractures or chronic irritation, excess bone tissue can form.
Genetic predisposition In some cases there is a familial tendency – if bone spurs run in the family, it’s wise to watch for early warning signs.
Where can a bone spur occur on the foot?
There are several typical sites on the foot where exostoses can appear. The most common at a glance:
1. Heel bone (calcaneus) – heel spur A heel spur is one of the best-known forms. It develops at the insertion of the plantar fascia or the Achilles tendon and can cause a stabbing pain with the first steps in the morning – or remain completely symptom-free.
2. Top of the foot – dorsal exostosis Bony protrusions can form on the instep, often noticeable due to pressure from the shoe. High-cut shoes or tight lacing can lead to pressure points and local inflammation here.
3. Big toe – hallux valgus With hallux valgus, the big toe shifts outward and a bony prominence forms at the metatarsophalangeal joint – the so-called bunion. A narrow toe box and limited toe room can encourage this misalignment and aggravate existing symptoms.
4. Little toe – tailor’s bunion (bunionette) Similar to hallux valgus but at the little toe: a bony outgrowth forms at the outer edge of the foot, which can be especially troublesome with narrow footwear.
5. Between the toes – subungual exostosis Rarer, but possible: bone spurs can also develop under the toenail or in the toe area – often after injuries.
Treatment: What helps with a bone spur on the foot?
Treatment depends on the location, the severity of symptoms and the underlying cause. Broadly, there are conservative and surgical approaches – the decision always lies with your treating physician.
Conservative measures
Adjust your footwear: Often the first and most effective step. Shoes that provide ample toe room, don’t constrict the instep and cradle the heel well can significantly reduce pressure and friction.
Orthotic insoles: Insoles can help relieve pressure points and correct faulty loading. They are individually fitted and can make an important contribution.
Physiotherapy: Targeted exercises can strengthen the surrounding muscles and reduce load on affected areas.
Anti-inflammatory measures: Cooling, anti-inflammatory ointments or – after medical consultation – medication can help during acute irritation.
Surgical treatment
If conservative measures do not bring sufficient improvement over a longer period, surgery may be considered. The bony outgrowth is removed. Aftercare varies depending on the location and extent of the procedure.
What role does footwear play?
Poorly fitting footwear is rarely the sole cause of a bone spur – but it can greatly worsen existing symptoms. The key points are:
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A roomy toe box: Toes should be able to move freely without being squeezed.
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Appropriate width: Sufficient shoe width is particularly important with existing misalignments such as hallux valgus.
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Breathable materials: Materials that adapt to the foot and ventilate well can reduce friction and pressure points.
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Stable yet lightweight sole: Good cushioning can absorb impact and relieve the joints.
At Giesswein we use Merino wool – a natural material that moulds to the foot, is breathable and can help counter pressure points. Combined with a considered sole design, our footwear can help to offload the foot and cradle it comfortably in everyday life – especially if you value comfort and a natural fit.
Merino Runners
Discover a new dimension of lightness and comfort with the Merino Runners: the premium Merino fabric gently encloses your foot, regulates temperature and breathes – so there’s no sweaty feeling, even on long days. The removable GIESSWEIN footbed with a Merino layer stabilises your step and noticeably refines the wearing sensation. Super light and so comfortable you’ll love them barefoot, too. The trainer adapts dynamically as you walk. For everyday life, travel and strolls – a quality promise that pampers you every step of the way.

Merino Runners WOMEN
Merino Runners MEN
Merino Wool Knit
If you’re seeking maximum flexibility, the Merino Wool Knit with 3D stretch knit offers a wonderfully snug feel. Flexible stretch zones – ideal for pressure points such as hallux valgus – deliver comfort, while 360° Merino wool regulates temperature and wicks moisture outwards. The removable footbed stabilises your gait, the ultra-light EVA sole supports a soft landing. Especially when worn barefoot, you’ll notice the dry, fresh feel against the skin. Your versatile everyday leisure shoe.

Merino Wool Knit Women
Merino Wool Knit Men
Take bone spurs seriously – and look after your feet
A bone spur on the foot is not uncommon and no reason to panic – but it is a signal to take seriously. If you watch for early warning signs, adjust your footwear and seek medical advice for persistent symptoms, you have a good chance of making everyday life more comfortable again. Well-cared-for feet are the basis for every relaxed step.
What do our customers say?
The Merino Runners arrived very quickly. They are very comfortable and fit well.
Petra — ★★★★★
Merino Wool Knit Women are very comfortable shoes. Never cold feet again. The fit is perfect. As a result, the laces are just a little short – but there’s an easy fix. A clear recommendation!
Claudia — ★★★★★




















