Double Step

 
Prerequisite(s): Dex 15+, Tumble 6+ ranks, Jump 12+ ranks, Dodge, Mobility
 
Benefit: When in light or no armor and encumbrance, you can do a 10 ft. step instead of the usual 5 ft. step and still do a full action and not provoke attacks of opportunity.
 
Source: Mongoose Ultimate Feats