Marmot PreCip Jacket - Boys' Atomic Blue/Blue Sapphire, XS Material: [membrane/laminate] NanoPro, [face fabric] nylon ripstop, NanoPro DWR treatment Fabric Waterproof Rating: 10,000 mm Fabric Breathability Rating: 17,000 g/m2 Fit: regular Center Back Length: 22.75 in