Portwest Cooling Crown Beanie CV11 Comfortable and lightweight, the Cooling Crown Beanie is designed to help prevent heat stress and includes an elasticated back for improved fit. Can be worn under any helmet or hat without compromising mobility while offering hours of cooling comfort. Product Features Elasticated back panel Lightweight and comfortable Soak in water to activate Keeps wearer cool for up to 8 hours Wicking, cooling and drying capabilities Washing Instructions Hand wash Do not bleach Do not tumble dry Drip line dry Do not iron Do not dry clean Maximum 25 washes Fabric Shell Fabric: 100% Polyester, Bird Eye Knit 140g Filling Fabric: Super Absorbent Fibres 160g Size: One Size Please click on the size guide to check this style's sizes.