REI Timber Mountain Pants
Here's what other sites are saying:
The wind- and water-resistant REI Timber Mountain pants are lined with fleece to keep toddlers warm and dry. Coated nylon shell with Durable Water Repellent treatment repels water and wind, while polyester fleece lining keeps child warm. Pull-on pants feature elastic waist to secure the fit. Articulated knees offer a comfortable fit and freedom of movement. Elastic snow cuffs keep weather out, warmth in.
- REI refers to the kids' version