Ultralight Waterproof Protection for Fast-Moving Adventures The Outdoor Research Helium UL Jacket is engineered for lightweight performance in unpredictable weather. Designed for hiking, trail running, and travel, this ultralight shell delivers dependable waterproof, windproof, and breathable protection without adding bulk to your pack. Constructed with Toray Dermizax(TM) 2.75-layer fabric and fully seam-taped construction, the Helium UL Jacket provides reliable protection from rain and wind while maintaining breathability during high-output activity. Weighing just 5.6 ounces, it is ideal for minimalist packers and fast-moving pursuits. An adjustable hood with integrated brim wire enhances coverage in stormy conditions. YKKA(R) AquaguardA(R) zippers help seal out moisture, while shaped and bonded cuffs with partial elastic create a streamlined fit. Reflective logos improve visibility in low-light conditions, and the left hand pocket doubles as a stuff sack for compact storage when the skies clear. Fabric & Materials Toray Dermizax(TM) 2.75-layer fabric 100% Nylon 15D Ripstop shell Fabric weight: 61 g/m^2 Fully seam-taped construction Fabric Performance Waterproof Windproof Breathable Ultralight Fully seam taped Design Features Adjustable hood with brim wire Elastic drawcord hem Left hand pocket doubles as stuff sack Reflective logos for visibility Shaped and bonded cuffs with partial elastic YKKA(R) AquaguardA(R) center front zipper YKKA(R) AquaguardA(R) zippered high hand pockets Technical Specifications Weight: 5.6 oz / 159 g Center Back Length: 27 in (68.6 cm) Origin: Bangladesh Care Instructions Machine wash cold Use mild detergent Do not bleach Tumble dry low Do not iron Do not use fabric softener