The quintessential insulation piece for stop-and-start pursuits in cold weather, the First Light is a stretchy, highly breathable layer built with PrimaLoft? Silver Insulation Active.. . This product will be shipped directly from Black Diamond and will leave their warehouse in 2-3 business days. Eligible for ground shipping only. Shell:?Schoeller? stretch-woven nylon with NanoSphere? Technology (80 gsm, 93% nylon, 7% elastane. Insulation:?PrimaLoft? Silver Insulation Active (60 gsm, 100% polyester. Lining:Nylon woven mesh (65 gsm, 100% nylon). Migration-resistant Primaloft ? Silver Insulation Active. Lightweight stretch fabric. Nanosphere? Technology repels water dirt and oil. Baffled construction. Low-profile, single-adjust hem. Stows in chest pocket with internal carabiner?clip loop. Underarm gussets for added range of motion. Minimalist elastic cuffs. Two concealed zip hand pockets and one internal stretch mesh pocket. Primary fabric is bluesign? approved. Imported.