Winter Hiking Jacket | NIAMWinter Hiking Jacket Designed for optimal performance in challenging winter conditions, this jacket is engineered to keep you warm, dry, and comfortable without weighing you down. Crafted with a lightweight, waterproof and windproof outer shell, it effectively shields you from the elements while maintaining excellent mobility. Here's why you'll love it: Waterproof & Windproof Outer Shell: Lightweight and breathable while provides maximum protection.