Optimal height and width reduces drag caused by stem and headset spacers with no increase in frontal area; 5:1 ratio airfoil design for lowest possible drag; No more fumbling for the small vitals, or risk dropping them when they are needed most. Tuck away salt, electrolyte or Ibuprofen tablets into one of the 4 exterior pockets; Pockets are highly elasticized to keep items protected yet easily accessible; Large, easy-pull zipper for ease of access to main compartment even when race day adrenaline is at its peak; Contents are highly visible against silver interior; Non-slip bottom for steady storage; Structured inserts retain aero shape; Three long Velcro straps conform to a variety of top tube shapes