Westside says this about the Ahti: When you're stepping up to heavy wind, your choice should be the Westside Discs Ahti. It is designed to be a really overstable fairway driver which will be useful for spike hyzers, flex shots, and windy days. Grab the Ahti and save some strokes.
About Tournament Plastic
An advanced version of VIP-plastic that contains technical polymers. You cannot see through Tournament plastic and these discs are more understable than same discs in VIP-plastic. The durability of Tournament plastic is at the same level as VIP Plastic, but the Tournament's grip is slightly better.