. Under Armour - Fly By Shorts. Color High-Vis Yellow/High-Vis Yellow/Reflective. $29.95. 5.0 out of 5 starsNew+20Brand NameUnder ArmourProduct NameFly By ShortsColorHigh-Vis Yellow/High-Vis Yellow/ReflectivePrice$29.95Rating5Rated 5 stars out of 5(1)