Sporran
These days, a Super Rugby forward pack of eight behemoths usually weighs in between 900 and 920 kg, one weighing less than 875 kg would be regarded as 'a bit light'. So that's around 110 kg each in their rugby shorts, jumpers and boots. Add a couple of kg for street clothes and 7 kg (hahahaha!) for their carry-on and they'll be 120kg each. Surprisingly enough, the backs aren't an awful lot lighter. In a travelling team group, the physio is probably the lightest by some margin. Sure makes your 'standard weights' look silly.