The O'Neill O'riginals junior winter sports jacket is made with 4-way stretch fabric covered with a 10K/10K waterproof membrane that offers superior resistance to moisture and elements. Plus, this jacket features a grow sleeve extension system that will adapt to your kids’ growth so they can wear it for more than a year. Whether your child wants to enjoy alpine skiing or snowboarding, to slide down snowy slopes or build a snowman, this winter jacket will ensure your little one has plenty of fun playing outside.