Ariat Men's Pioneer StretchShell Vest - Up for anything, down for whatever weather. Designed with our three-layer StretchShell construction, this vest is infused with stretch, from the breathable, water-resistant shell to the comfy lining and lightweight insulation. It's remarkably durable and moves with you like no other. Wind and water resistant construction with a breathable design 40g stretch insulation Performance Stretch lets the fabric move with your body Style: 10052481