When shopping for outerwear from Peak Performance, you’ll come across both 2-layer (2L) and 3-layer (3L) fabric constructions. While they may look similar at first glance, they serve very different purposes. The choice between the two depends on your activity level, environment, and layering preferences.
From some of the best insulated resort ski jackets to lightweight shells for backcountry adventures, here’s a breakdown of what sets them apart and which products to consider. Both constructions are core to many leading ski gear brands, each tailoring them to suit different performance needs.
What is 2L construction?
2L (2-layer) construction combines a waterproof membrane (such as Peak Performance’s HIPE® or GORE-TEX) bonded to the inside of the outer fabric. A separate inner lining, typically mesh or soft woven, adds comfort and protects the membrane. Many 2L garments also include built-in synthetic insulation.
Some brands also take a step further by utilising sustainable certifications, such as bluesign®, to ensure eco-conscious materials are incorporated into their waterproof designs.
Key characteristics:
- Insulated warmth
- Soft feel
- Good weather protection
- Less breathable than 3L
- More affordable
Best for: Resort skiing, winter commuting, and general cold-weather use
What is 3L construction?
3L (3-layer) garments are built by bonding the waterproof membrane between the outer fabric and an inner backer layer, forming a single unified shell. These jackets are almost always uninsulated, designed to be layered according to the weather and activity level.
Key characteristics:
- Maximum breathability
- High durability
- Lightweight and packable
- Higher cost but premium performance
Best for: Ski touring, mountaineering, multi-day expeditions, and demanding conditions
Side-by-side comparison
Recommended Peak Performance 2L products
- Maroon HIPE® 2L Insulated Shell Jacket (Men)
- Edge HIPE® 2L Insulated Shell Jacket (Men)
- Anima HIPE® 2L Insulated Shell Jacket (Women)
Recommended Peak Performance 3L products
Product comparison table
Related reading: