Arctic-Grade Warmth​​ ​​Brushed fleece lining​​ retains 92% body heat (ASTM F1868 tested). ​​ Storm Defense System​​ ✔ ​​Tightly Woven 50D Polyester​​ – Blocks 18m/s crosswinds ✔ ​​Reinforced Knee Gussets​​ – 20,000+ flex cycles durability ✔ ​​Anti-Pilling Treatment​​ – Martindale 40,000+ rubs certified ✔ ​​Ankle Storm Cuffs​​ – Inner silicone grip strips ✔ ​​Hidden Drawstring Channels​​ – Military-grade cord locks ​​ Digital Print Technology​​ ​​Black:​​ Nano-carbon heat retention ​​Green:​​ Forest camouflage UV resistance ​​Pink:​​ Infrared-reflective pigments ​​Brown:​​ Dirt-concealing microfiber ​​ Thoughtful Construction​​ ​​Gusseted Crotch​​ – 4-way stretch panel ​​Bar-Tacked Stress Points​​ – 12+ stitch rows ​​Laser-Cut Hemlines​​ – 0.5mm precision trimming