When we looked at designing this, we had Stand up Paddle Boarding and surfing sun protection in mind. The sports where you sit on the surface of the water and get the sun beating down on you. The Glacier HLS Hood is designed to sit loosely on the body so that is not tight. We’ve kept the garment light in color so that it reflects the sun instead of retaining heat. You can see that we have integrated hood into the garment for when the sun is really beating down you can lift the hood over your head.Also, integrated a pocket on the back of the garment so that you can carry water or a snack on a long paddle or journey. The integrated thumb loops on the end of the sleeves are made for a thumb. You move around a lot on a SUP, and the sleeves ride up, exposing skin to sun. These thumb holes help keep the sleeves long. This garment is also quick dry. It is designed to have water run through the weave very quickly, so that you don’t have your garment holding water. We call this a water channel flow weave. The water will not flow quickly through that material. We tested 10-15 materials to test water flows and sun protection and we’re very happy with the results.