Designed for trail running in wet weather, this men's shell pairs lightweight 15D ripstop nylon with a laminated PU membrane. The fabric is rated at ≥40 kPa hydrostatic pressure and ≥6,000 g/m²/24h breathability, while fully seam-taped construction and a YKK water-resistant front zipper strengthen weather protection. Underarm ventilation, articulated raglan sleeves, reflective details, a transparent watch window, and a concealed side storage pocket support fast movement from dawn starts to rainy race miles.