Built for extreme temps including snow showers, climbs, descents, the Eliel Thermal Whitney Jacket is designed with a three-layer membrane fabric to deliver optimized breathability and thermal insulation along with waterproof and windproof properties. Temperature ranges listed are meant to be a general guide can change significantly based on temperature, local conditions and layering. T4 CATEGORY - RECOMMENDED FOR TEMPS BETWEEN 25-45f T3 CATEGORY - RECOMMENDED FOR TEMPS BETWEEN 35-55f T2 CATEGORY - RECOMMENDED FOR TEMPS BETWEEN 40-60f T1 CATEGORY - RECOMMENDED FOR TEMPS BETWEEN 50-65f Crafted in California Eliel Race Fit Triple-layered stretch fabric - Exterior fabric layer with durable water repellant finish - Ultra-thin membrane with high level of transpiration and resistance to water - Fleeced backing for comfort and insulation Extended, anatomically shaped back hem panel provides protection from water spray Two-way separating locking zipper for controlled venting in either direction Pockets: - Positioned for easy entry - Reinforced - Eliel No-Sag Structure keeps gear in place - Perforated floor ensures no water collects in the pocket Tapered sleeve hem extends beyond wrist for additional protection Reflective trim for visibility UPF 50+ Sun Protection Size: men’s small Condition: In excellent condition like new