Extreme weather protection with full coverage storm hood and YKK® AquaGuard® waterproof zipper. The Vertex Stormshell features 3-Layer H2XTREME® waterproof/ breathable technology and an advanced articulation and ergonomic fit with mechanical stretch fabric, allowing for a full range of unrestricted movement. Pit zippers help regulate your core temperature, and an articulated adjustable hood with a welded brim provides a comfortable fit and sheds water away from your face. The Vertex Stormshell is built with regular and recycled polyester fabrics for a reduced environmental footprint. STORMTECH 3-Layer H2XTREME 20000/10000 Waterproof / Breathable Outer Shell PFC-Free Durable Water Repellent Finish High-Performance Windproof Outer Shell with Mechanical Stretch Fully Sealed Seams YKK AquaGuard Center Front Zipper Articulated Elbows Waterproof Zippered Hand Pockets Helmet Compatible Full-Coverage Hood Concealed Hood Adjustments with Easy-Access Drawcord Full Coverage Front Collar Two-Way Waterproof Pit Zips Welded Hood Brim Welded Brushed Tricot Back Neck Reinforcement Adjustable Cuffs Internal Mesh Stash Pockets Adjustable Dropped-Back Hem Waterproof Zippered Sleeve Pocket