The Infantryman's Combat Load for the Normandy Invasion varied between 60-90 lb. Some carried over 100 lb. As a minimum, according to the TOE, each rifleman carried the following:
M1 Garand and 96 rounds
Life preserver
Gas mask
5 grenades
1/2 lb TNT
6 rations
2 canteens
e-tool
first aid kit
knife
4 60mm mortar rounds or 2 anti-tank mines
treated chemical clothing for gas attacks
web gear or assault jackets
helmet and liner
spare boots, socks
rain gear
sleeping gear
shelter half
personal items
Then there were the soldiers who carried bazookas, flame throwers, mortars, automatic rifles, machine guns, bangalores, wire cutters, TNT satchels, radios, etc.
During the British Invasion of the Falklands, each soldier carried 120 lb.
During the Grenada Invasion, American Ranger paratroopers carried 167 lb.
Infantrymen carry too much stuff!