Arc'teryx Beta SL Pants Women's N40r GORE-TEX and N150p-X GORE-TEX fabric Imported BETA SL PANT - Light, packable emergency waterproof pant made from GORE-TEX fabric with Paclite technology. For use during sudden storms, the simple pull-on design has lower leg zippers for easy on/off. Hem and insteps are reinforced with abrasion-resistant N150p-X GORE-TEX fabric. CONFIDENCE BY DESIGN - The minimalist design helps maximize packability and reduce weight without sacrificing key features. Specifically designed for women, these feature a Regular fit with articulated knees and a gusseted crotch for freedom of movement. FOCUS ON MATERIALS - N40r GORE-TEX fabric with Paclite technology is a very lightweight and compact waterproof/breathable fabric. Highly packable, it features a mini-ripstop face for increased tear strength. High-wear areas at the instep, lower leg and cuff are reinforced with a heavier weight, more durable N150p-X GORE-TEX fabric. QUALITY REFINED - Subtle, thoughtful construction details help shed grams. Careful design allows for minimal seam allowances that reduce unneeded material and reduce wear and chafing, and the Regular fit helps maximize breathability and reduce bulk. HIKING AND TREKKING - For technical hiking, trekking, durable and protective designs for remote and varied conditions.