Under Armour - Undeniable 5.0 Duffel XS. Color Pitch Gray Medium Heather/Black/Black. $39.95. 5.0 out of 5 stars+5Brand NameUnder ArmourProduct NameUndeniable 5.0 Duffel XSColorPitch Gray Medium Heather/Black/BlackPrice$39.95Rating5Rated 5 stars out of 5(3)