Here's what other sites are saying:
The lightweight and packable REI Ultra Light rain pants will help kids hike and play in dry comfort. Waterproof, breathable REI Elements(R) 2-way stretch nylon fabric is seam-sealed for complete protection. Elastic waist with quick-pull drawcord adjusts easily for a secure fit. Articulated knees offer a comfortable fit and freedom of movement. 2 zippered, mesh-lined front pockets secure small belongings. Ankle zippers offer easy on/off over footwear. Rip-and-stick cuffs help seal out the elements.