Shell layers – breathable protection against the weather

Friluftsliv by Varuste.net / Toimisto-Jorma, 10.10.2024

In collaboration with RAB
Shell garments are essential gear for outdoor enthusiasts, providing protection from rain and wind while maintaining breathability during active use. In this article, we will cover the types of shell jackets, seam sealing techniques, and important technical features such as waterproof ratings.

Types of Shell Jackets
Shell jackets are generally divided into three types:
2-layer: Two layers – an outer waterproof layer and an inner lining. Suitable for light outdoor activities.
2.5-layer: Lightweight construction, packs into a small space. Popular for hiking.
3-layer: Combines the outer layer, membrane, and protective lining into a single durable unit.

Seam Sealing Techniques
Taped seams: The most common way to ensure the garment's waterproofness.
Welded seams: Lighter and more durable

Waterproof Ratings and Breathability
The waterproof rating indicates the waterproofness, and in an outdoor jacket, it should be at least 10,000 mm.
RAB utilizes GORE-TEX Pro and Pertex Shield membranes, ensuring both waterproofness and breathability.
In active movement, breathability is important to allow moisture to escape and keep you dry inside:

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RAB's Responsibility Program
RAB is committed to sustainable development, and this is reflected in the production of shell jackets in several ways:

Responsible Materials: RAB uses recycled and environmentally friendly materials, such as the Pertex Shield membrane, which reduces environmental impact during the manufacturing process.

PFC-free DWR Coatings: RAB has transitioned to using PFC-free (perfluorochemical-free) DWR (Durable Water Repellent) coatings in many of its products. This reduces the entry of harmful chemicals into the environment.

Long Lifespan and Repair Options: RAB products are designed to last, reducing unnecessary consumption. For example, GORE-TEX Pro jackets can be maintained and used for several years in extreme conditions, reducing the need for new gear.

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