Buy it in parts:
Chest and shoulders - HK Army Crash Chest Protector
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Elbows - Bodyprox Elbow Protection Pads 1...
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Knees - Scoyco 1 Pair Motorcycle Knee...
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Pants - Cienfy 3D Hip Protection Eva Butt...
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Gloves - Zune Lotoo Tactical Gloves TPR...
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Belt and clasps for chest piece - Ginwee 4-Pack Tactical Belt,Military Style Belt, Riggers Belts for Men, Heavy-Duty Quick-Release Metal Buckle with Extra Molle Key Ring Holder Gears
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Height booster - Height Increase Adjustable...
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You really want to fill in the spaces between the armor. It also lets the armor sit a little more comfortably on the body. Let me know what you end up doing. I am currently working on the chest piece.