Ready at a moment's notice

It has adjustable elastic straps with hook and loop fasteners

Versatile filling options—fill with beans

elastic straps

2 CR123A 3-volt lithium batteries

Zan Headgear SportFlex® Helmet Liner/Beanie Skull Cap PALS Webbing Ready at a moment's noticeZan Headgear SportFlex Helmet Liner Beanie Skull Cap The ZANheadgear SportFlex Series Fleece Lined Beanie provides comfort and extra warmth. Flat seams in order to fit comfortably underneath helmets or alone while providing coverage of the head and ears. Fabric is brushed for ultimate softness and has a 4 way stretch for customizable fit. 50+ UV Protection. Materials: Inside 100% Polyester (fleece caps only). Outside for fleece and Sportflex caps) 87%