How much do Schutt helmets weigh?

For currently available Schutt varsity helmets:

F7 2.0 Professional: 4.55 lbs

F7 2.0 Collegiate: 4.70 lbs

Vengeance Pro LTD II: 3.75 lbs

For currently available Schutt youth helmets:

Youth F7 LX1: 4.05 lbs

Youth Vengeance A11 2.0: 3.75 lbs