Youll use it more than you can imagine it was the pros who first asked for a gabba thats not as hot as the gabba but warmer than the fawesome vest so we started from the gabba and made the back in nano light fabric the same fabric as our nano flex tights but without the brushed fleece inside this gives the piece a lot of breathability and keeps you from overheating inside we further lightened it up by using a lighter weight of windstopper a full 25 lighter than the one used on the ga