A new and innovative product is this knit nightcap with removable headlamp.

Features:
Soft knit cap beanie
Flexible Comfort-Fit hinge conforms to the hat and the head
Removable Headlamp assembly

Specifications:
Battery Type (included): 2x CR2032 Lithium
Bulb Type: CREE XP-D LED
Highly water resistant: IPX 4
Lamp Dimensions: 16.9 CM x 59.4 x 35cm
Battery Life: Up to 200 hr