Our View – Outdoor Research Helios Sun Hat: The Outdoor Research Helios Sun Hat is a firm favourite thanks to its practical design and features that ensures high levels of protection from the sun. Its lightweight, quick drying and features a fast wicking headband to keep you comfortable when the temperature rises. The brim is wide and stiff to keep the sun out of your eyes and should the wind pick up the chin strap is available to help keep the hat in place. Specifications - Outdoor Research Helios Sun Hat: Fabric - 89% nylon, 11% polyester, double weave ripstop main shell 100% Supplex® nylon, plain weave under brim Weight - 2.3 oz/65 g Water Resistant Breathable Lightweight Wicking Quick-Drying TransAction™ Headband UPF 50+ Dark Fabric Under Brim Floating Foam-Stiffened Brim Embroidered OR Logo One-Handed Drawcord Adjustment Removable Chin Cord Packable Outdoor Research Helios Sun Hat