Weve used c02 dyeing technology to save energy and water in the creation of the black light pac jacket the first time this has ever been done with goretexreg fabric the jacket itself is super lightweight stretchy breathable and packable so its ideal for a whole range of situations weather conditions and activities water and wind proof its the weatherproof packable jacket youve been looking for regular fit length of jacket from center back neck is 68cm for size s total weight g