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 D20
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This article is a D20 reference page
The System Reference Document is a comprehensive toolbox consisting of rules, races, classes, feats, skills, various systems, spells, magic items, and monsters compatible with the d20 System version of Dungeons & Dragons and various other roleplaying games from Wizards of the Coast.
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Floating: This kind of armor is psionically buoyant in water or a similar liquid, negating the normal penalty for wearing armor when making Swim checks. Additionally, it grants a +4 circumstance bonus on Swim checks.
Faint psychoportation; ML 4th; Craft Psionic Arms and Armor, float; Price +4,000 gp.
System Reference Document -> Magic Items: Armor (SRD Rules)