Arc'teryx Perimeter Short Men's Cresta - 89% nylon, 11% elastane Imported PERIMETER SHORT - An easy-moving hiking short made of a mid-weight stretch nylon fabric to augment comfort and mobility. ARTICULATED PATTERNING - Articulated patterning and a gusseted crotch enhance freedom of movement. ENHANCED FREEDOM - Mid-weight, articulated hiking shorts, designed and patterned for enhanced freedom of movement and comfort. HIKING AND TREKKING - For technical hiking, trekking, durable and protective designs for remote and varied conditions. BREATHABLE MATERIAL - Allows moisture vapour to escape, helping regulate temperature and elevating comfort inside garment.