This double-layered knitted bonnet offers effective thermal insulation thanks to its Thinsulate™ lining. It is designed to retain heat while ensuring optimal comfort with its elastic material. Its one-size-fits-most design adapts to most head sizes. This bonnet is ideal for outdoor activities, cold days, or everyday use. It can be personalized with your logo, text, or pattern for enhanced brand visibility. It is composed of 100% acrylic, making it easy to maintain and durable. It is possible to personalize this item according to your needs and desires. Composition: 100% acrylic. Lining: 3M™ Thinsulate™. Size: One size