This is the optimal LR set for most weapon types due to Evasion+1, which allows you to not get hit by attacks by jumping and rolling. This skill takes practice, though.
Recovery up makes weak healing items such as First Aid Meds almost as useful as Mega Potion.
Can be gemmed up to Defense Up (M) with 4 Defense Jewels - this does not impact on your Attack as you already have 4 to Attack.
Using any charm with an attack boost, you can get the Attack Up (S), as well as Defense Up (S), using Attack Jewels.
It is generally considered better to overforge this armor then to upgrade it, because with a one slot talisman or weapon, or a talisman with an attack value, this armor can be generally considered as the best all round armor set.