1. 4DG
4DG
4DG TM
The world’s fastest-wicking fiber

2. 4DG™ Fiber

3. Is 4DG™ fiber really that much better?
Test 1: Moisture extraction
Test socks: “liner” socks
(construction is important)
Identical construction
4DG™ vs. CoolMax®

4. “Liner” Sock Moisture Extraction
750
100
600
ml/hr
4DG™ fiber
450 50
300
150
commercial “wicking” fiber 20 40 60 80
100
minutes

5. In socks…
where it can evaporate.
Moisture is wicked
out of the shoe

6. Why are dry socks important?
Dry socks are cooler in the heat.
Dry socks are warmer in the cold.
Dry socks are more comfortable.
Dry socks reduce rubbing friction, preventing abrasion and reducing injury.

7. Is 4DG™ fiber really that much better?
Test 2: Vertical wicking
Test socks: Sock mfr.’s athletic socks
Simulation of wicking out of a saturated shoe
4DG™ vs. sock mfr.- supplied fiber

10. 2 4 6 8

11. 4DG
4DG
4DG TM
The world’s fastest-wicking fiber