Preference is that of the player. Most centres where rugby boots as opposed to soccer boots as the rugby version have 6 sole studs and 2 heal where soccer boots have 4 sole and 2 heal. In rugby the studs used are all "heal" length for grip, soccer use 10 millimeter in the sole
No they all meet the requirements of both codes.
Though rugby is easiest to play in boots specifically made for rugby, they are not necessary. Soccer cleats work just fine. The only requirement for rugby boots is that they must not have a spike on the bottom of the toes.
Yes they follow the same national sizing system as your country of domicile
Soccer boots are lower cut and and 6 studs - rugby boots are cut slightly high at the ankle and can have 8 studs
Le Coq Sportiff Rugby Boots
Yes you can as soccer cleats are versatile cleats, but i would recommend football cleats as they have a higher ankle providing more support.
http://www.worldrugbyshop.com/departments-footwear-soft-ground-rugby-boots-ccc-mid-rampage-si-hard-toe-rugby-boot.html
He wears sandals
micheal
gilbert
Check our sports suppliers on the net. Basically you need a rugby shirt, shorts, socks and rugby boots