The headset is for sending and recieving communications.(AKA Chat)
The green electronic eyepatch thing is for recieving item data for items and blocks found.
(Tooltip in inventory)
The iron reinforced glove is for turning matter into carryable items.But cannot convert some.
(Dirt,Sand,Logs,Workbenches,etc using Hand)
The headlight is for seeing in very dark areas.
(Some texture packs have blocks which can be seen in light level 0)
The vest's backpack is used for carrying stuff.
(How else can you carry all those blocks?)
Kneepad provides protection from falls.
(In real life,some falls which are not steep in minecraft,can kill people in real life)
Belt is obvious.
(Design)
Everything else is epicly obvious.
(Again,DESIGN)

Description:
The skin is made in SkinEdit Alpha 3 pre 5.
The skin is very custom.It is made by myself.
It took awhile,NOT.(Only for about 10 minutes)
This skin has no inspiration.