Under Armour Kids - Motion Bike Shorts (Big Kid). Color Rebel Pink/Pink. On sale for $13.50. MSRP $30.00.. 5.0 out of 5 stars+3Brand NameUnder Armour KidsProduct NameMotion Bike Shorts (Big Kid)ColorRebel Pink/PinkPrice$13.50MSRP: $30.00Rating5Rated 5 stars out of 5(1)