From the manufacturer

Made in a knit design, infused with polyester microfleece and our thermally heat reflective lining, this winter hat is lightweight, durable and will keep your head cozy and warm no matter the temps.

Utilizing our signature Omni-Heat lining, this heat reflective technology keeps your head extra warm and toasty.

Made from 100% knit cashmere-like acrylic, it’s Inherently insulating for the whole body, this hat works by holding the heat in where it counts, at the top. Wear this on your next walk, hike, or city stroll.

Columbia’s attention to detail is what sets our apparel apart from others. We use only the highest quality materials, expert craftsmanship, and durable stitching. This is a long-lasting cap you will enjoy for seasons to come.

Omni-Heat | Thermal Reflective Warmth

Magic in a little silver dot that reflects body heat. Omni-Heat Reflective garments are the ultimate body heat management system for performance in the outdoors. The metallic dot patterns are designed to retain heat, while the rest of the lining consists of highly breathable fabric that dissipates moisture and excess heat.