How do i get my companions better armor in Dragons Age 2?

I got armor for my companions in my bags but i cant put it on them because it says its restriction to my main character please helpHow do i get my companions better armor in Dragons Age 2?
You cant you can only get them armor upgrades.



Here is the list of armor upgrades and where to find them:



- Anders:

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Act 2: Armor Suits (Lirene's Ferelden Imports, Lowtown)

Act 2: Lyrium Weave (Mage Goods, Gallows Courtyard)

Act 2: Spirit Essence (Dissent)

Act 3: Sigil of the Mage Underground (Best Served Cold)



- Aveline:

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Act 1: Underpadding - Guardsman Pattern (Armor Stand, Lowtown)

Act 2: Impact Plating - Guardsman Pattern (Armor Stand, Lowtown)

Act 2: Flex-Chain - Guardsman Pattern (Raiders on the Cliffs)

Act 3: Deflecting Joints - Guardsman Pattern (Favor and Fault)



- Bethany and Carver:

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Act 1: Carver: Fereldan Girded Plating (Birthright)

Act 1: Bethany: Heirloom Amell Protective Sigils (Birthright)



- Fenris:

--------------------------------------鈥?br>
Act 2: Tevinter Spirit Symbol (Robes by Jean Luc, Hightown)

Act 2: Lyrium Scales (Shady Merchandise, Docks)

Act 2: Reinforced Straps (A Bitter Pill)

Act 3: Enchanted Resin (Mine Massacre)



- Isabela:

--------------------------------------鈥?br>
Act 2: Rigid Boning (Apparel Shop, Lowtown)

Act 2: Supportive Corselet (Robes by Jean Luc, Hightown)

Act 2: Lambswool Insoles (To Catch a Thief)

Act 3: Boiled Leather Plates (A Murder of Crows)



- Merrill:

--------------------------------------鈥?br>
Act 2: Samite Lining (Robes by Jean Luc, Hightown)

Act 2: Carved Ironwood Buttons (Ilen's Crafts, Sundermount)

Act 2: Silver-Threaded Dalish Embroidery (Top of Sundermount)

Act 3: Halla Horn Buckles (A New Path)



- Sebastian:

--------------------------------------鈥?br>
Act 2: Enchanted Articulation (Armor Shop, Gallows Courtyard)

Act 2: Reinforced Bracers (Olaf's Armory, Hightown)

Act 2: Mail Undertunic (Repentance)

Act 3: Protection of the Faith (Best Served Cold)



- Varric:

--------------------------------------鈥?br>
Act 1: Inscribed Leather Harness (Apparel Shop, Lowtown)

Act 2: Coat Lining with Concealed Pockets (Shady Merchandise, Docks)

Act 2: Silverite-Reinforced Buckles (Family Matter)

Act 3: Drakeskin Leg Straps (Finding Nathaniel)