The O'Neill Hammer Insulated Pant is designed for men's winter performance. Featuring 55% polyester and 45% recycled polyester with 10K/10K waterproofing and breathability, the pant offers all-day comfort and protection thanks to 40 grams of insulation under a partly recycled stretch fabric. Plus, with two zipped hand pockets, a wide choice of colorways, and a pant-jacket connector system, you'll be ready to conquer the coldest days.