Typical types of leather for outdoor and mountain boots
Content reviewed by the tannery Perwanger (founded in 1780) – specialising in highly functional leather for outdoor, mountain and safety footwear.
Not every type of leather is suitable for use in outdoor and mountain boots. The decisive factors are origin, skin layer structure, processing method and specific technical refinement. Different types of leather offer different levels of breathability, abrasion resistance, water resistance and durability – and are therefore carefully selected depending on the area of application.
Why the type of leather is crucial
The performance of a leather shoe is not determined solely by the tanning process, but also significantly by the type of leather used. Thickness, grain direction and surface structure influence how well a shoe regulates moisture, withstands mechanical stress and performs over many years. Only selected leather qualities are therefore suitable for demanding outdoor applications. Perwanger has been developing technical leather for extreme outdoor requirements since 1780.
Full-grain leather
Full-grain leather consists of the top layer of the hide with the grain structure completely intact. It is characterised by high density, excellent abrasion resistance and long life. Due to its closed surface, it offers good protection against external influences and is often used for classic mountain and work boots.
Typical characteristics
- Very high durability
- High dimensional stability
- Uniform ageing
- Comparatively low maintenance requirements
Nubuck leather
Nubuck leather is made from the grain side, which is finely sanded. This creates a velvety surface with a high level of grip. Nubuck combines good breathability with high abrasion resistance and is often used for high-quality hiking and mountaineering boots.
Typical characteristics
- Good breathability
- High mechanical resilience
- Pleasant feel
- Slightly higher maintenance requirements
Suede and split leather
Suede and split leather are made from deeper layers of the hide. They are softer and lighter, but have a lower fibre density. They are only suitable to a limited extent for heavy-duty mountain or work boots and are usually used in combination with reinforcements.
Typical characteristics
- Lower abrasion resistance
- Greater flexibility
- Limited service life under heavy use
Technically refined outdoor leather using the example of ‘Nepal’
Special types of leather are developed for alpine use, combining several specific properties. One example is a water-resistant, high-density suede leather that combines breathability, water resistance and mechanical strength. These types of leather are used specifically for mountain, trekking, forestry and work boots. The technical specifications show that performance can be measured objectively and does not depend solely on appearance.
Technical Specifications – Overview
Technical characteristics of Suede Nepal Perwanger® 24/26
| Property | Standard / Method | Value |
|---|---|---|
| Thickness | UNI EN ISO 2589:2016 | 2.5 ± 0.1 mm |
| Breathability (MVTR) | GORE Standard | ≥ 7.5 mg/cm²h |
| Capillary water absorption | UNI EN ISO 19074:2015 | 0 cm |
| Dynamic water resistance – time | UNI EN ISO 5403-1:2012 | ≥ 3 h (7.5% compression) |
| Dynamic water resistance – absorption | UNI EN ISO 5403-1:2012 | ≤ 20% |
| Tensile strength | UNI EN ISO 3376:2020 | ≥ 20 N/mm² |
| Tear resistance | UNI EN ISO 3377-2:2016 | ≥ 260 N |
Technical characteristics of Perwanger® 18/20 Nepal suede
| Property | Standard / Method | Value |
|---|---|---|
| Thickness | UNI EN ISO 2589:2016 | 1.9 ± 0.1 mm |
| Breathability (MVTR) | GORE Standard | ≥ 10.0 mg/cm²h |
| Capillary water absorption | UNI EN ISO 19074:2015 | 0 cm |
| Dynamic water resistance – time | UNI EN ISO 5403-1:2012 | ≥ 2 h (7.5% compression) |
| Dynamic water resistance – absorption | UNI EN ISO 5403-1:2012 | ≤ 20% |
| Tensile strength | UNI EN ISO 3376:2020 | ≥ 16 N/mm² |
| Tear resistance | UNI EN ISO 3377-2:2016 | ≥ 160 N |
Classification of technical data
The tables show that different leather thicknesses can be specifically tailored to different requirements. Thicker leathers offer higher mechanical reserves, while thinner variants enable higher breathability values. In both cases, the combination of water resistance, breathability and resilience is retained.
Requirements for modern leather for outdoor and mountain boots
Modern leathers for outdoor and mountain footwear must meet several requirements simultaneously. In addition to mechanical resilience, standard-based functional values, economic aspects and ecological and social criteria are playing an increasingly central role in the selection of materials. Robustness: High tear and tear resistance are crucial for reliably absorbing continuous stress, abrasion and point loads in alpine use.
Leather must meet requirements that are compatible with common membrane standards (e.g. GTX standards) in order to ensure a functional combination of moisture regulation and weather protection.
It is not just the price of the material that is decisive, but its performance over the entire life cycle of the product, including durability, complaint rate and reparability.
Aspects such as carbon footprint, water consumption and resource efficiency are becoming increasingly important, especially when comparing the entire product life cycle.
Traceability along the supply chain and compliance with social standards (e.g. FLA-relevant criteria) are increasingly becoming prerequisites for long-term supplier relationships.
Uniform colour effect, resistance to UV radiation and ageing are important for consistent product appearance over several seasons.
Design freedom thanks to leather
As a natural material, leather offers exceptional design flexibility. Colour, finish, embossing and surface texture can be used to combine functional requirements with a clear visual identity. This design potential is based on a historically developed understanding of different types of leather and their respective areas of application.
- High degree of freedom:
Leather allows for a wide range of colours, surface textures and finishes without fundamentally losing its functional properties. - A material with a history of use:
Different types of leather are historically associated with specific areas of application, which further contextualises design decisions and makes them credible. - Brand impact:
Leather types convey different images – from technical and sporty to traditional and alpine – and thus specifically influence the external perception of a brand. - Product positioning:
The conscious choice of leather type supports differentiation within a range and transfers material expertise directly to the product design.
Frequently asked questions about leather types for outdoor shoes
Which type of leather is best suited for mountain boots?
Full-grain, nubuck or technically refined suede leather with high density and tested water resistance are particularly suitable for mountain boots.
Is thicker leather always better?
Thicker leather offers greater mechanical reserves, but may be less breathable. The optimum thickness depends on the area of application.
Why are different leather thicknesses offered?
Different thicknesses allow adaptation to the weight, flexibility and load requirements of different shoe models.
Are technical specifications for leather really comparable?
Yes. Standard-based tests enable objective assessment of breathability, water resistance and strength.
How can you recognise high-quality outdoor leather?
Tested performance values, high fibre density, uniform structure and a finish suitable for the intended use.
Advice for consumers when choosing leather shoes
Which type of leather is suitable for long hikes and changing weather conditions?
Leather types with high fibre density and tested water resistance are particularly suitable for long-term use, as they regulate moisture and can withstand mechanical stress over the long term.
How can I recognise durable leather in outdoor shoes?
Uniform structure, sufficient material thickness and technical test values for abrasion, water resistance and tear resistance.
Is softer leather less durable?
Not necessarily. It is not the feel that is decisive, but rather the internal fibre structure and the technical refinement of the leather.
Why do leather shoes often age better than synthetic ones?
Leather adapts with use and does not abruptly lose its function, whereas synthetic materials are often bound to coatings.
Information for buyers and designers of outdoor footwear
What role does leather thickness play in product development?
The thickness influences weight, breathability and mechanical reserves. Different thicknesses allow adaptation to the area of application and target group.
Why are standard-based test values crucial for leather?
They enable objective material comparisons, reproducible quality and reliable development decisions across multiple collections.
When is technically refined suede leather useful?
When high water resistance, good breathability and low weight need to be combined, for example in alpine trekking or approach shoes.
How does the choice of leather affect the sustainability of a shoe?
Durable, repairable leather reduces material and energy consumption per year of use and supports long-term product strategies.
- a href=”/eigenschaften-von-leder”>Properties of leather: Breathability, density, durability
- Leather vs. synthetic materials
- Why leather is a technical material
Key messages of this page
- Not all leather is suitable for outdoor and mountain boots.
- Different types of leather meet different requirements in terms of protection and comfort.
- The origin, tanning process and material thickness are decisive factors.
- The right choice of leather influences the durability, weight and area of application of the boot.
