Price is firm. This is a thin synthetic active insulation garment, which has recently begun to gain significant attention. It combines warmth and mobility, supporting comfortable trekking from ascents to descents during mountaineering, which involves repeated stop-and-go. Its slim silhouette fits the body well, making it versatile as both an inner layer and an outer layer. Specifications [Material] Outer fabric: (Body) 12-denier Ballistic® Airlight® Nylon Ripstop [Water-repellent finish] (Sides, shoulders, arms) 15-denier Ballistic® Airlight® Nylon Ripstop [Water-repellent finish] Insulation: Stretch EXCELOFT® [Polyester] [Average weight] 194g [Color] Black [Size] M [Packed size] Φ12 x 20cm (2.1L) [Features] Chin guard zipper/Lead-in cord system/2 zippered pockets (2 waist)/Stuff sack included