The second generation Baja S4 Jacket is a breathable mesh jacket born for open deserts, towering sand dunes and humid jungles. Constructed with robust breathable mesh and specially-mapped 4-way stretch panels for unrestricted airflow, the Baja S4 Jacket delivers thorough comfort and mobility for hot weather adventure riding. Baja S4 is now more breathable and more comfortable than ever before, while offering outstanding on-road protection with ceramic-plated SuperFabric®. When paired with a waterproof shell, the Baja S4 kit becomes the ultimate adventure riding setup for maximum versatility.SHELL/CONSTRUCTION Schoeller®-dynatec high tenacity mesh main body/arms Comfort-mapped mesh chassis for durability, stretch in key locations Durable KARBONITE™ micromesh 4-way heavy stretch 1000D CORDURA® in pockets, armpit gussets, waist and cuffs Stretch mesh comfort liner in arms and elbow pad pockets Durable 750D CORDURA® fabric for collar, cuffs and hem SuperFabric® on shoulders/elbows Designed to kit with Enduro S4 Jacket for cool/wet weather 3M™ Scotchlite™ Carbon Black Reflective Material YKK® Zippers Pending CE AA Rating certified to EN 17092-3 ARMOR SYSTEM D3O® CE Level 1 Elbow, Shoulder, Back Pads D3O® CE Level 2 upgrade compatible and sold separately Removable armor pads Kidney belt compatible (sold separately) Stretch mesh in elbow armor pad pockets Engineered spacer mesh backpad pocket VENTILATION Full-time chassis ventilation through schoeller®-dynatec mesh panels Air permeability through KARBONITE™ micromesh stretch zones Provides airflow at all speeds Collar tab back for increased airflow to upper chest STORAGE 1 forearm emergency ID stat card / hidden stash pocket 2 zippered hand pockets 1 rear large zippered pocket 1 concealed document pocket behind backpad 2 lower internal zippered stash mesh pockets for airflow 1 upper inside chest drop pocket 2L Hydrapak® compatible pocket (Hydrapak® sold separately) 2 internal hydration hose routing options (over shoulder or under arm) FIT/COMFORT Enduro S4 Jacket compatible as overshell Comfort mapped mesh shell for unrestricted airflow Moisture-wicking antimicrobial anti-odor liner DWR treatment sheds water Comfort collar liner material Micromesh 4-way stretch gusset to stretch over gloves 2 quick-adjust forearm straps Adjustable bottom hem Adjustable VELCRO® cuffs Jacket-pant zip connection