Arc'teryx Zeta AR Jacket Women's 100% Nylon Imported Machine Wash ZETA AR JACKET - Designed for versatility with a focus on trekking and hiking, the Zeta AR is made from N70p 3L GORE-TEX fabric with GORE C-KNIT backer technology. ALL ROUND - High performance weather protection and materials, emphasizing versatility for multiple activities. GORE-TEX - Waterproof, windproof and breathable textiles that offer fully protective environmental shelter. HIKING & TREKKING - For technical hiking, trekking, durable and protective designs for remote and varied conditions. ZETA - Lightweight hiking and trekking designs with an emphasis on comfort and efficiency.