Gamma Series: Highly breathable textiles with stretch and differing degrees of thermal efficiency that can be worn as water resistant outer layers. High degree of abrasion resistance. LT: Lightweight. Built with highly durable top performance materials but designed with a streamlined minimalist set of features to provide very light weight. These Softshell pants are designed for mobility and breathability while hiking, climbing, guiding and backpacking. The Gamma LT features articulated patterning for superior range of motion, and laminated construction enhances durability and comfort. Made with lightweight Fortius, a highly durable and weather resistant four way stretch textile. Features: Moisture resistant outer face fabric Lightweight Durable Quick drying DWR finish Durable Water Repellent helps repel water from fabric surface Stretchy fabric construction provides freedom of movement Gender specific patterning Articulated patterning for unrestricted mobility Gusseted crotch Athletic fit for a slimmer more flattering profile Straight leg Front fly with snap closure Adjustable pant cuff drawcord Laminated cuffs Adjustable integrated webbing belt Snap waist closure Soft, brushed lined waist Thigh pocket with laminated zip Two hand pockets with laminated zippers Reflective logo Athletic Fit, Straight leg Weight: 320 g 11.3 oz Activity: Rock Climbing Alpine Climbing Hiking Trekking Materials: Fortius 1.0TM 84% nylon, 16% elastane, 160 gm . Lightweight, durable, non insulated, stretchy nylonspandex blend textile.