The Boulder Gear Boy's Stratus Rain Pants are a affordable, packable, and reliable when it comes to keeping your little one covered from the wet and cold. These pants are made of waterproof/brethable coating polyester fabric with seam-sealing for added protection from the elements. They have a zip closure cargo pocket so he can store his personal essentials, as well as an elasticated waistband so he can maintain the perfect fit. The Boulder Gear Boy's Stratus Rain Pants are a great way for your little winter dweller to enjoy all his snowy/rainy adventures!