Arc'teryx Gamma LT Pant Men's Elastane,Nylon,Polyester GAMMA LT PANT - Lightweight, hardwearing and highly versatile, the Gamma LT Pant delivers light weather protection, air permeable comfort, and outstanding mobility. The abrasion resistant Fortius DW 2.0 fabric combines quick-drying nylon with elastane fibres for performance stretch. A brushed polyester waistband provides additional next-to-skin comfort. CONSTRUCTION - The Gamma LTs articulated construction and gusseted crotch provide outstanding mobility and freedom while hiking, climbing, guiding or backpacking. GAMMA - Weather resistant mid or outer layers with stretch. Highly breathable and abrasion resistant. LIGHTWEIGHT - Durable, high performance with minimalist design to achieve lightweight. SOFTSHELL - Air permeable four-way stretch woven textiles with superior abrasion resistance.