Each character can wear armour in 4 different places: head, body, hands and feet. If you don't have enough Constitution you can't wear some armours. The following armour sets are available at the start:

Light leather armour (4 DP)
requires 0 CON

consists of:
Body - light: 2 DP
Hands - light: 1 DP
Feet - light: 1 DP

Medium chain shirt armour (8 DP)
requires 2 CON

consists of:
Head - light: 1 DP
Body - medium: 4 DP
Hands - medium: 2 DP
Feet - light: 1 DP

Heavy half plate armour (14 DP)
requires 3 CON

consists of:
Head - medium: 2 DP
Body - heavy: 6 DP
Hands - medium: 3 DP
Feet - medium: 3 DP

With heavy armour you have a disadvantage on stealth checks and -2 sq movement.

Clothing (0 DP)
If you are not wearing armour, your movement is increased by 2 sq.