Arc'teryx Zeta LT Jacket Women's N40p-X 3L GORE-TEX fabric with GORE C-KNIT ZETA LT JACKET - The Zeta LT delivers weather protection with exceptional comfort for extended trekking and backpacking journeys. Its made from N40p-X 3L GORE-TEX fabric with GORE C-KNIT backer technology. This material is lightweight, compressib 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. LIGHTWEIGHT - High performance, minimalist design that is durable for its weight. ZETA - Lightweight hiking and trekking designs with an emphasis on comfort and efficiency.