- AFO Vent is a durable, 4-way stretch nylon fabric that is abrasion resistant, retains its shape, resists odours, wicks moisture dries quickly - Micro-perforations enhance breathability - Strategically removes seams from the top of the shoulder for optimal comfort with a hydration vest or pack - Underarm gusset provides fuller range of motion - Low-profile, mini-binding collar for smooth, lightweight comfort - Bonded sleeve hems hemline provide an anti-chafe, clean finish - An ultralight nylon hang loop is integrated into the back neck for easy hanging - Janji signature reflective logo on front chest “watermark” reflectivity on back increase visibility in low light