How should shoes fit? The ultimate guide to perfect comfort.

A perfectly fitting shoe is more than just a question of style – it determines how you feel all day long. Nothing is more uncomfortable than pressure points, blisters or tired feet after only a few hours. But how can you actually tell whether a shoe really fits well?

The truth is: the right fit depends on many factors – from size and width to the material. In this guide, we explain simply and clearly how shoes should fit so that you enjoy maximum comfort – and feel good from the very first step.

1. The right size is only the beginning

Many people rely on their usual size when buying shoes – but that’s often a mistake. Depending on the brand and model, the fit can vary widely.

What’s important:

• Your toes should have enough room at the front (about a thumb’s width)

• The shoe should neither pinch nor be too loose

• Measure your feet in the evening if possible – they’re slightly swollen then and you’ll get a more realistic result

Tip: Your feet are often different sizes – always go by the larger foot.

2. Secure support: heel, width & fit

A well-fitting shoe gives you support without constricting. The heel is especially important:

• It should be held firmly without slipping

• You shouldn’t slip out of the shoe when walking

Width also plays a crucial role:

• Shoes that are too narrow quickly cause pressure points

• Shoes that are too wide don’t provide support

Also consider your individual foot shape. Factors such as flat feet, splay feet or high arches influence which shoe really suits you.

 3. Comfort starts on the inside: material & sole

An often underestimated point is the inside of the shoe. High-quality materials and well-designed soles make the difference.

Here’s what to look for:

• Soft, breathable materials prevent pressure points

• A flexible, shock-absorbing sole ensures comfortable walking

• Removable insoles provide additional adjustment options

Modern materials such as merino wool offer a real advantage here: they are not only soft and flexible but also regulate temperature and moisture – for a consistently pleasant foot climate.

4. The right test: how to recognise the perfect fit

A shoe can look great – what matters is how it feels. Therefore:

• Always try shoes on while standing

• Walk around in them for a few minutes

• Wear the socks you’d also wear in everyday life

Pay attention to:

• No pressure or rubbing

• Stable support without slipping

• Immediate comfort – a shoe doesn’t need to be “broken in”

If a shoe doesn’t fit right away, it usually won’t later either.

Merino Runners

Imagine lacing up shoes that feel like a fresh breath for your feet: the Merino Runners combine super-light comfort with 360° well-being. The temperature-regulating, breathable premium merino fabric prevents that sweaty feeling and gently adapts to your foot – a pleasure even barefoot. The GIESSWEIN removable footbed with a merino layer adds stability and optimises every step. This way your days start relaxed, whether on a walk, in the office or when travelling. Width G makes them ideal for normal feet. Result: noticeably less pressure, noticeably more comfort – step by step with a smile.

Merino Runners WOMEN
Merino Runners MEN

What do our customers say?

The Merino-wool trainers Merino Runners WOMEN are feather-light and very comfortable to wear. The colour is exactly as shown in the catalogue, really beautiful.
Bettina — ★★★★★

Giesswein shoes are the most comfortable I’ve had so far, including the Merino Runners. They are super comfortable, well made, well ventilated and look great. And you can rely on the sizing too. I would buy them again.
Tanja — ★★★★★