Ameliorated Burden (3.5e Feat)
From D&D Wiki
 Ameliorated Burden [Character Creation, General]
Through odd & extreme muscular development, you are able to carry a great deal more than you normally would be able to.
Prerequisite: Strength 15
Benefit: When figuring your Strength for the purpose of your character's carrying capacity, your Strength is treated as 5 points higher than normal.
Normal: Your normal Strength determines your carry capacity.
Special: This feat must be taken at first level.