Trail Air Jacket in BlackA nifty lightweight water repellant jacket that's designed to be used over a hydration vest, with zip openings at the chest providing easy access to flasks and cargo. CAYL has used 12D Pertex Quantum Air here, resulting is a breezy and moisture regulating weatherproof piece. **Parker is 6' 1" and wearing a size Medium** Dual chest zippers fit over a hydration vest, allowing easy access to flasks and other cargo Also designed for easy heat dumps, with