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Technical Alpine Fabrics

Our products are built with the best performing materials available

Made for Daily life in the mountains

At Faultline395, we blend alpine-inspired designs with high-performance fabrics to craft versatile outdoor clothing. We use a variety of materials with features like water resistance, sun protection, stretch, and breathability.

We firmly believe that our TrekCotton knit is the best t-shirt fabric on the planet. It offers workwear-lever durability on the outside with the broken-in comfort of a classic cotton t-shirt on the inside. The unique dual-layer construction is engineered to dry 4X faster than a standard cotton tee and it's built to survive years of hard wear. We love lightweight, recycled and sustainable t-shirts, we have even used them in our product line, but the fact is the most sustainable tee is the one that lasts the longest.

Content: 70% Cotton/30% Polyester // weight: 190gsm

Check out our Tees

TrekCotton HEavyweight KNit

Technical Tri-Blend Flannel

Tech Flannel is the evolution of classic flannel. While traditional flannel is 100% cotton, this tri-blend is designed to look like a heritage flannel piece while performing like a base layer. The polyester provides durability, ensuring the shirt doesn't shrink, and allows it to dry quickly. The rayon gives the shirt the soft hand-feel of high-end cotton and the spandex provides mechanical stretch for better range of motion. We use this amazing fabric in our Men's & Women's Highland Flannels. But, don't sleep on traditional flannel. It's a reliable, natural insulator with workwear toughness and it offers a timeless mountain aesthetic. That's why we still offer it in our Juniper Flannel Shacket.

Content: 75% polyester, 23% Rayon, 2% spandex // Weight: 240gsm

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We use a heavy-duty plain weave or ripstop nylon when making hats, pants, shorts, and jackets. This fabric is the workhorse of the outdoor industry. It holds it's shape when stuffed into a pack or when it's soaked in a rainstorm. It won't absorb moisture and will actively move sweat to it's surface to evaporate. Other benefits include high abrasion resistance, UV protection, and a tight weave that acts as a natural windbreak while remaining breathable enough for a steep ascent. With all those features, it's no wonder we use it on so many products.

Content: 100% Performance Nylon // Weight: 50-60gsm

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Performance Nylon

Micro-Perforated Woven Polyester is our flagship fabric. It offers a unique combination of structural durability and mechanical airflow that other technical outdoor fabrics often lack. Since it is resistant to abrasion and snagging, it can handle a backpack or a stray branch. It also holds it's shape and won't cling to the skin like a traditional jersey fabric, allowing for better air circulation. This fabric is currently available on our Langley Button Up Shirts, but we plan on expanding it to other products soon.

Content: 88% poly, 12% spandex // Weight: 140gsm

Exploer The Line
Close-up of the light blue fabric with sea otter pattern used on the Langley shirt from FaultLine395

Micro-Perforated Stretch Woven