--- title: Fabrics date: 2018-11-04T19:19:00-08:00 author: Admin Istrator canonical_url: "https://www.polartec.com/fabrics" section: Interior Pages --- [Skip to Main Content](#main-content-wrapper) Accessibility Feedback Contact Us. # Our Fabrics. [ Base Layers ](#base) [ Insulation ](#insulation) [ Weather Protection ](#weather-protection) [ Flame Resistant ](#flame-resistant) [Base Layers. ](https://www.polartec.com/fabrics/base) Unrivaled fabric comfort and performance, our base layer materials are designed to stretch, wick moisture, and breath next to your skin. [](https://www.polartec.com/fabrics/base/delta) [#### Delta™. ](https://www.polartec.com/fabrics/base/delta)Polartec® Delta™ specialized knit with hydrophobic and hydrophilic yarns increases airflow breathability, reduces wet-cling, and enhances evaporation. Stay cool when the conditions are not and made to enhance your body's own cooling process. [View Delta™. ](https://www.polartec.com/fabrics/base/delta) [](https://www.polartec.com/fabrics/base/power-dry) [#### Power Dry™. ](https://www.polartec.com/fabrics/base/power-dry)Polartec® Power Dry™ is an all-weather, lightweight bi-component knit base layer that wicks moisture and regulates temperature. Highly breathable, fast drying, and quick drying to allow skin to breathe. A versatile fabric for activewear in hot or cold conditions. [View Power Dry™. ](https://www.polartec.com/fabrics/base/power-dry) [](https://www.polartec.com/fabrics/base/power-grid) [#### Power Grid™. ](https://www.polartec.com/fabrics/base/power-grid)Polartec® Power Grid™ lightweight fleece base layer features grid bi-component knit that wicks moisture for fast evaporation and thermoregulation. Open air channels reduce bulk and increase breathability. Comfortable, compressible, and keeps you warm without weighing you down. [View Power Grid™. ](https://www.polartec.com/fabrics/base/power-grid) [](https://www.polartec.com/fabrics/base/power-stretch) [#### Power Stretch™. ](https://www.polartec.com/fabrics/base/power-stretch)Polartec® Power Stretch™ is a shape-retaining, 4-way stretch fabric with a breathable, moisture-wicking dual surface engineered for resilience and warmth. Go beyond with unrestricted stretch and recovery. Made to layer comfortably with other fabrics. [View Power Stretch™. ](https://www.polartec.com/fabrics/base/power-stretch) [](https://www.polartec.com/fabrics/base/power-stretch-pro) [#### Power Stretch™ Pro. ](https://www.polartec.com/fabrics/base/power-stretch-pro)Polartec® Power Stretch™ Pro is a tough, agile 4-way stretch fabric with a dual surface engineered for warmth, breathability, and abrasion resistance. Resilient, responsive, and made to layer comfortably with unrestricted stretch and recovery. A premium performance fabric experience. [View Power Stretch™ Pro. ](https://www.polartec.com/fabrics/base/power-stretch-pro) [](https://www.polartec.com/fabrics/base/power-wool) [#### Power Wool™. ](https://www.polartec.com/fabrics/base/power-wool)Polartec® Power Wool™ combines wool thermoregulation and comfort with synthetic exterior performance. Breathable, odor-reducing bi-component knit delivers adaptive insulation for changing conditions. Keeps heat in when it's needed, lets it out when it's not. [View Power Wool™. ](https://www.polartec.com/fabrics/base/power-wool) [ View All ](https://www.polartec.com/fabrics/base) [Insulation. ](https://www.polartec.com/fabrics/insulation) As the pioneers of fleece, we know how to create insulated fabrics that keep you comfortable and warm whatever the conditions. [](https://www.polartec.com/fabrics/insulation/alpha) [#### Alpha™. ](https://www.polartec.com/fabrics/insulation/alpha)Polartec® Alpha™ active insulation regulates body warmth with lofted fibers, mesh core, and hydrophobic properties. Tough, lightweight, breathable, and fast drying. Made to layer comfortably with other fabrics and compressible for easy packing. [View Alpha™. ](https://www.polartec.com/fabrics/insulation/alpha) [](https://www.polartec.com/fabrics/insulation/high-loft) [#### High Loft™. ](https://www.polartec.com/fabrics/insulation/high-loft)Polartec® High Loft™ fleece uses thermal air pocket technology to maximize warmth and reduce weight. Soft, compressible high pile design enhances breathability and layering versatility. The original synthetic fleece, elevated for lightweight comfort. [View High Loft™. ](https://www.polartec.com/fabrics/insulation/high-loft) [](https://www.polartec.com/fabrics/insulation/power-air) [#### Power Air™. ](https://www.polartec.com/fabrics/insulation/power-air)Polartec® Power Air™ is engineered to reduce fiber fragment shedding by up to 80%\*, while encapsulating warmth in air pockets. Lightweight, breathable, and made to withstand wear and tear. Layers comfortably and keeps heat in when needed, lets it out when not. \*AATCC 212 – 2021 [View Power Air™. ](https://www.polartec.com/fabrics/insulation/power-air) [](https://www.polartec.com/fabrics/insulation/power-fill) [#### Power Fill™. ](https://www.polartec.com/fabrics/insulation/power-fill)Polartec® Power Fill™ is sustainable insulation made from 100% post-consumer recycled bottles. Soft, pliable, lightweight, and warm without bulk. Durable for demanding activities and designed for versatile use. [View Power Fill™. ](https://www.polartec.com/fabrics/insulation/power-fill) [](https://www.polartec.com/fabrics/insulation/thermal-pro) [#### Thermal Pro™. ](https://www.polartec.com/fabrics/insulation/thermal-pro)Polartec® Thermal Pro™ is thermal fleece redesigned with innovative knit structures for warmth, breathability, and durability. Adaptable across styles and applications. The original sherpa-style synthetic fleece, made for versatility. [View Thermal Pro™. ](https://www.polartec.com/fabrics/insulation/thermal-pro) [](https://www.polartec.com/fabrics/insulation/wind-pro) [#### Wind Pro™. ](https://www.polartec.com/fabrics/insulation/wind-pro)Polartec® Wind Pro™ features tighter knit construction for wind resistance while maintaining breathability and comfort. Durable, water repellent fleece with 4x greater wind resistance than regular synthetic fleece. Keeps heat in when needed, lets it out when not. [View Wind Pro™. ](https://www.polartec.com/fabrics/insulation/wind-pro) [](https://www.polartec.com/fabrics/insulation/fleece-series) [#### Fleece Series. ](https://www.polartec.com/fabrics/insulation/fleece-series)The classic soft micro fleece. Polartec® Fleece is the original synthetic fleece, forever changing what we wear in cold weather. This now proven thermal technology delivers breathable performance, soft comfort, and long lasting durability. [View Fleece Series. ](https://www.polartec.com/fabrics/insulation/fleece-series) [ View All ](https://www.polartec.com/fabrics/insulation) [Weather Protection. ](https://www.polartec.com/fabrics/weather-protection) Weatherproof fabrics that make you feel protected and comfortable in any conditions, with no compromises to performance. [](https://www.polartec.com/fabrics/weather-protection/aircore) [#### AirCore™. ](https://www.polartec.com/fabrics/weather-protection/aircore)Polartec® AirCore™ maximizes breathability while protecting against the elements. Designed for full-range movement, the highly engineered nano-fiber membrane enables a controlled airflow to keep you dry by escaping moisture and vapor at an industry-leading MVTR 25,000 g/m²/24 hours\*, along with the combination of air permeability ranging from 0.4 to 1 CFM\*\*, while also repelling water from the outside\*\*\* during high-intensity activities. [View AirCore™. ](https://www.polartec.com/fabrics/weather-protection/aircore) [](https://www.polartec.com/fabrics/weather-protection/windbloc) [#### Windbloc™. ](https://www.polartec.com/fabrics/weather-protection/windbloc)Polartec® Windbloc™ uses polyurethane membrane technology for wind and moisture protection in cold weather. Works across knit and woven fabrics for high versatility. Windproof, moisture-repellent, warm, and resilient with stretch for demanding activities. [View Windbloc™. ](https://www.polartec.com/fabrics/weather-protection/windbloc) [](https://www.polartec.com/fabrics/weather-protection/power-shield-pro) [#### Power Shield™ Pro. ](https://www.polartec.com/fabrics/weather-protection/power-shield-pro)Polartec® Power Shield™ Pro is an expedition-grade waterproof technology made for the wet outdoors. Engineered for mountain conditions, its highly durable, highly breathable, non-PFAS monolithic membrane provides 20/20<span>■</span> breathable waterproof protection that stands up to the harshest environments. Available in multiple styles for optimum performance including the option for a Biolon™\* plant-based membrane\*\*. [View Power Shield™ Pro. ](https://www.polartec.com/fabrics/weather-protection/power-shield-pro) [](https://www.polartec.com/fabrics/weather-protection/power-shield-rpm) [#### Power Shield™ RPM. ](https://www.polartec.com/fabrics/weather-protection/power-shield-rpm)Polartec® Power Shield™ RPM is a stretch, waterproof, breathable fabric built for high-intensity activity. Features 10/20\*\* weather protection, a resilient membrane\*, and 100% recycled polyester fiber content. Made to reduce impact, enable circular processes, and perform across cycling, running, and golf. \*Available in recycled polyester or polyurethane. \*\*10k mm water resistance / 20k g/m²/24hrs breathability [View Power Shield™ RPM. ](https://www.polartec.com/fabrics/weather-protection/power-shield-rpm) [ View All ](https://www.polartec.com/fabrics/weather-protection) [Flame Resistant. ](https://www.polartec.com/fabrics/flame-resistant) Our base and insulation fabrics made with flame resistance, protecting and withstanding intense heat. [](https://www.polartec.com/fabrics/flame-resistant/power-dry-flame-resistant) [#### Power Dry™ FR. ](https://www.polartec.com/fabrics/flame-resistant/power-dry-flame-resistant)Polartec® Power Dry™ FR is an all-weather base layer with flame resistant technology. Lightweight bi-component knit wicks moisture, regulates temperature, and dries quickly. Comfortable next-to-skin and highly breathable for hot or cold conditions. [View Power Dry™ FR. ](https://www.polartec.com/fabrics/flame-resistant/power-dry-flame-resistant) [](https://www.polartec.com/fabrics/flame-resistant/power-grid-flame-resistant) [#### Power Grid™ FR. ](https://www.polartec.com/fabrics/flame-resistant/power-grid-flame-resistant)Polartec® Power Grid™ FR is a lightweight, flame resistant grid fleece designed to regulate body temperature in intense heat. Breathable, ultralight, compressible, and moisture wicking. Comfortable and compliant for extreme environments. [View Power Grid™ FR. ](https://www.polartec.com/fabrics/flame-resistant/power-grid-flame-resistant) [](https://www.polartec.com/fabrics/flame-resistant/thermal-pro-flame-resistant) [#### Thermal Pro™ FR. ](https://www.polartec.com/fabrics/flame-resistant/thermal-pro-flame-resistant)Polartec® Thermal Pro™ FR is thermal fleece with flame resistant technology. Breathable, warm, durable, and fully certified for protection. Comfortable, lightweight, and tough for challenging work environments. [View Thermal Pro™ FR. ](https://www.polartec.com/fabrics/flame-resistant/thermal-pro-flame-resistant) [](https://www.polartec.com/fabrics/flame-resistant/wind-pro-flame-resistant) [#### Wind Pro™ FR. ](https://www.polartec.com/fabrics/flame-resistant/wind-pro-flame-resistant)Polartec® Wind Pro™ FR is a flame resistant fleece with tighter knit construction for wind protection and breathability. Water repellent and up to 4x more wind resistant than standard fleece. Performance fleece, from expedition to the everyday. [View Wind Pro™ FR. ](https://www.polartec.com/fabrics/flame-resistant/wind-pro-flame-resistant) [](https://www.polartec.com/fabrics/flame-resistant/power-stretch-flame-resistant) [#### Power Stretch™ FR. ](https://www.polartec.com/fabrics/flame-resistant/power-stretch-flame-resistant)Polartec® Power Stretch™ FR is a 4-way stretch, shape-retaining flame resistant fabric with dual surface protection. Warm, resilient, breathable, and abrasion resistant. Responsive and adaptable for the toughest moves. [View Power Stretch™ FR. ](https://www.polartec.com/fabrics/flame-resistant/power-stretch-flame-resistant) [ View All ](https://www.polartec.com/fabrics/flame-resistant) ## Welcome in. ### From Industry insider access to community updates, stay in the loop with everything we do. ### Polartec® Accessibility Feedback. We are committed to making our website accessible to all users. Please provide feedback on how we can improve. Looks like you're visiting from a different country. Would you like to switch to your local site? [ English ](https://www.polartec.com/fabrics) [ Chinese ](https://www.polartec.com/cn/fabrics)