Arc'teryx Beta SL Jacket Women's MEC Arc'teryx Beta Jacket Black Sapphire END. Arc'teryx Women's Beta AR Jacket Black Sapphire Fjellsport.no Arc'teryx Men's Beta Jacket Black Sapphire Outsiders Store UK Arc'teryx Beta Jacket Black Sapphire END. Arc'teryx Beta Jacket Black Sapphire END. (JP). A new recruit to the Arc'teryx arsenal. The Beta GTX jacket is new to the Beta family; a versatile, multi faceted jacket produced in a 3 layer GORE TEX with GORE's C KNIT backer for next to skin comfort. A low profile single adjustment hood and two voluminous WaterTight hand pockets, with a fully adjustable drawcord hem. Not available for shipping outside of the UK and EU. (Excluding DE)