all of that rain gear seams have been sealed Check out this early-stage content article from REI How to Choose Rainwear See this guide to understand what this rating means Rainwear: How to Choose 2.5 straturi Rainwear: How to Choose Check out this early-stage content article from REI waterproof shell Rainwear: How to Choose describe what different levels and ratings seams have been sealed REI Rain Gear Guide http://www.rei.com/learn/expert-advice/rainwear.html Rainwear How to Choose the Best Rain Jacket Clothes designed for rain invest in a waterproof, yet breathable fabric.