So it took a while to come to the realization that this was the perfect trail running top! I started with Capilene 1-too light, crazy headlights effect! Then on to Capilene 2-strange material and the back of the neck stood out from my body like a Dracula collar!! But maybe that's just my body habitas! So I decided to splash out and try the Gamut. Now I'm in love! The material is soft and flowing. You hardly notice the 'venting areas' so you can wear it around without it looking like a totally technical piece. There's a narrow waistband which keeps the bottom snugged down. It wicks and breaths and the colors are great. I should know, I own the green, sky and rubillite!!! I'm 128lbs, 36A and initially bought a small but exchanged it for a medium so the sports bra overhang is not on display. This really didn't add a lot more material around the waist and looks so much better fitted across my shoulders. Also got the long sleeve and vest version and love them equally as much!