Armlet

An Armlet, known in Golden Sun: Dark Dawn as a Leda's Bracelet, is a common Bracelet-class arm equipment available throughout the Golden Sun series.

Basic Description
An Armlet/Leda's Bracelet increases the equipped Adept's base Defense rating by 17 points. As a common item, it can be bought repeatedly for 900 coins each, and sold for 675 coins each.

In Golden Sun, Armlets are sold by armor Vendors in Kolima, Xian, and Altin, and can be equipped by Ivan and Mia. In Golden Sun: The Lost Age, Armlets are sold in Mikasalla, Naribwe, and Kibombo, and can be equipped by Jenna and Sheba.

In Golden Sun: Dark Dawn, Armlets were renamed, and are now known as Leda's Bracelets. They are sold in Ayuthay and Passaj, though they are only available in Passaj after the Alchemy Forge has been activated. Leda's Bracelets can be equipped by Karis, Rief, Amiti, and Himi.

Analysis
In Golden Sun when the Armlet is first buyable in Kolima after the town is restored to normal, it is a very strong purchase because it offers significantly more Defense than anything Ivan and Mia could be wearing at that point, a Leather Armlet and/or Leather Gloves. You would very much want to buy two Armlets in that case.

In The Lost Age, the Armlet is just as much of a useful piece of equipment to buy for the same reasons, only even more extreme: It is sold in Mikasalla, making it sold early enough in the game that when Felix's party first enters the town Jenna and Sheba would only be holding Padded Gloves and/or Leather Armlets. However, because they and other comparatively powerful equipment such as the Psynergy Armor and Bronze Helm are sold so early in the game, you'd be hard-pressed to amass the large amounts of coins necessary to buy everything and would need to fight many random monster battles outside Mikasalla to do so.

In Dark Dawn, Leda's Bracelets will be an excellent upgrade from the Leather Gloves Karis and Rief will most likely have. In addition, Amiti will join the party with a Leda's Bracelet already equipped to him. Leda's Bracelets will most likely remain in the party for some time, but the player should be able to replace them by the time they reach Te Rya Village.