I can't decide between the i4's or the sly profit, any suggestions?

Try them both on and find out.

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Model98.org, Where Tippmanns Have No Limits

GONE TIL NOV 2013

So crazy it just might work, lol

After 8h of paintball in the sun and humidity from rain all week long... I4 are perfect. I wont change them till they break, and i will replace them with another pair. The HD lense make everything so clear but not shiny, breathe easily even when im running at full speed ( not much but still lol).
I
LOVE
them!

Where were this mask all my life..

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French Canadian Division