Heading out for a hike or technical climb Mountain Hardwear's Chockstone Active Pants are made with durable soft shell fabric for unrestricted movement on the trail or in the harness.. . Midweight, limber soft shell fabric of nylon and stretch elastane. Breathable water , wind , and abrasion resistant fabric. Stretch fabric for freedom of movement. Micro Chamois lined seamless conical waist for comfort under a pack. Integrated webbing belt with buckle closure for easy fit adjustments. Zippered hand pockets and thigh pocket. Full length inseam gusset and articulated knees for mobility. UPF 50 for optimal sun protection. InseamRegular: 32 in. 81 cm. Active fit: Trim fit, just loose enough for layering and freedom of movement.