Jiangsu Textile Research Institute Inc.

In the dynamic world of knitted textiles, innovation constantly redefines comfort and performance. Among the standout fabrics powering modern apparel, Polar Fleece reigns supreme for its exceptional warmth, softness, and versatility. This deep dive explores the unique properties and manufacturing brilliance behind this beloved fabric.

Born from Innovation: The Fleece Revolution
Polar Fleece, often simply called Fleece, wasn't plucked from nature but engineered for excellence. Its origins trace back to the 1970s aiming to create a synthetic fabric rivalling wool's insulation without the weight or maintenance. A revolutionary knit fabric crafted primarily from polyester. Through an ingenious process, the polyester yarn is knitted and then meticulously brushed on sophisticated raising machines. This brushing liberates countless tiny polyester fibres, creating the characteristic fuzzy, lofty pile surface that traps warm air with incredible efficiency. The fabric is often sheared to achieve a uniform, plush texture. This fundamental structure is the bedrock of fleece's magic.

Why Polar Fleece Dominates Performance Wear
The benefits of high-quality Polar Fleece are extensive and tangible:

· Unmatched Warmth-to-Weight Ratio: Fleece's lofty pile creates millions of tiny air pockets – nature's best insulator. This means exceptional warmth without the bulk or weight of many traditional fabrics, allowing for freedom of movement.

· Lightning-Fast Drying: Being 100% synthetic polyester, fleece inherently repels water and dries remarkably quickly. Unlike cotton, which absorbs moisture and loses insulating power, fleece maintains warmth even when damp, making it ideal for active use and variable climates.

· Durable & Resilient: Modern fleece fabrics are engineered for longevity. They resist pilling (thanks to advanced fibre technology and brushing techniques), maintain their shape well through countless wears and washes, and are generally colourfast.

· Breathable Comfort: Unlike waterproof shells, fleece allows moisture vapour (sweat) to escape from the body. This breathability prevents overheating during activity, contributing significantly to comfort.

· Incredibly Soft & Non-Irritating: The brushing process yields a luxuriously soft surface against the skin. It's comfortable for all-day wear, even for sensitive individuals.

Engineered Excellence: The Foundation of Superior Fleece
The quality of any fleece fabric starts long before it reaches the raising machine. It hinges on precision engineering at the knitting stage. Advanced circular knitting machines, guided by sophisticated software, create the optimal base structure. Factors like stitch density, yarn tension, and loop formation are meticulously controlled. This base fabric determines the ultimate weight (measured in GSM - grams per square meter), stretch, recovery, and overall hand feel. Only a perfectly knitted base can be transformed through brushing and shearing into a premium fleece that delivers consistent performance, minimal pilling, and lasting softness. This technical mastery is where true manufacturing expertise shines.

Experience CJTI's Premium Knits: From Fabric to Finished Jacket
Discover the exceptional warmth and performance of our meticulously crafted Polar Fleece fabrics:
Explore Our Polar Fleece Fabric Collection
See this innovative material in action:
Discover Stylish & Functional Polar Fleece Jackets

CJTI: Your Trusted Partner in Knit Fabric Innovation

For over 67 years, CJTI has stood at the forefront of knitted textile manufacturing.  We are not just suppliers;  we are a dedicated factory deeply rooted in the science and artistry of knit production.  Our commitment permeates every stage:

Vertical Manufacturing Expertise: Controlling the process from yarn sourcing to finished fabric ensures quality consistency and rapid innovation.

Advanced Technical Capabilities: We invest in state-of-the-art circular knitting machines, precision finishing equipment (like brushing and shearing lines), and rigorous testing labs（CMA & CNAS certification）.

Reliability & Scale: As a factory, we deliver consistent quality, on-time, meeting the demands of global brands.

Sustainable Focus: Actively integrating eco-friendly practices, including recycled polyester options for fleece and pique, and responsible dyeing processes.

Collaborative Solutions: Our technical team partners with clients to develop fabrics that meet precise performance, aesthetic, and cost requirements.

CJTI's mastery in knitting fundamentals is the bedrock of our Polar Fleece and Pique fabrics.  We engineer textiles where cutting-edge performance meets enduring quality and comfort.  Partner with us for knits that inspire confidence in every stitch.  Explore how CJTI can elevate your next collection.