Youve been waiting for the gun to go off for 20 minutes now - and it just started to drizzle. Sit tight; your Arcteryx Mens Accelero Jacket will keep warm and dry from hectic start to photo finish. When the gun cracks and the crowd surges, youll move forward unrestricted thanks to gusseted underarms, mechanical-stretch hem and cuffs, and an articulated fit. Dont sweat the miles; double-weave polyester breathes away the chilling moisture that was wicked from your skin by an inner layer of bamboo charcoal. As the finish comes into view, drop the quick-pull front zip, give one last kick in cool comfortand bust through the tape looking like a million bucks.