Outdoor Research - Helium Rain Full Brim Hat. Color Slate. Low Stock. On sale for $32.42. MSRP $55.00.. 3.4 out of 5 stars6 left in stockBrand NameOutdoor ResearchProduct NameHelium Rain Full Brim HatColorSlatePrice$32.42MSRP: $55.00Rating3Rated 3 stars out of 5(11)