Chain Mail

AC+5

82 CP

45

M

Common

Full Plate Mail

AC+8

2.5 GP

80

H

Very rare

Heavy coat (fur or hide)

AC+1

Varies

Varies

C

Depends on material

Helmet

AC+1

4 CP

1.5

-

Common

Hide Armour

AC+3

25 CP

19

L

Common

Hybrid mail

AC+4

48 CP

30

M

Hard to find

Kevlar, heavy

AC+8

7 GP

14

M

Almost impossible to find

Kevlar, light

AC+5

5 GP

10

L

Very rare

Leather

AC+2

32 CP

15

L

Common

Leather jacket (fashion weight)

AC+1

8 CP

2.5

C

Common

Metal chest plate

AC+1

10 CP

4

L

Common

Padded or Quilted

AC+2

2 CP

5

L

Common

Repair kit, Kevlar, 5 applications

Restores 1 AC

15 CP

¼

-

Very rare

Repair kit, leather, 5 applications

Restores 1 AC

1 CP

1

-

Common

Repair kit, metal, 5 applications

Restores 1 AC

6 CP

2

-

Common

Ring Mail, coarse radius

AC+3

50 CP

28

M

Common

Ring Mail, tight radius

AC+4

75 CP

35

M

Common

Scale Mail

AC+6

52 CP

55

H

Hard to find

Shield, large

AC+2

15 CP

6.5

-

Common

Shield, large, w/ targ

AC+2

30 CP

7.5

-

Common

Shield, small

AC+1

10 CP

4

-

Common

Shield, small, w/ targ

AC+1

20 CP

5

-

Common

Shock armour

AC+6

1 PP

10

L

Almost impossible to find

Studded Leather

AC+3

42 CP

23

L

Common

Three-quarter Plate

AC+7

2 GP

62

H

Very rare

The "AC+x" rating measures the efficacy of the armour.  Thus, for instance, a Dwarf in chain mail would have AC(3) because his natural armour class is 8, and the chain mail (AC+5) adds 5 to his rating.