NALU Stand Up Paddle Board Shirt - Womens Long Sleeve Dusk Blue by paddleboard apparel 100% Super Soft Recycled Polyester made from Oeko-Tex 100 Certified yarn making this shirt the softest and most comfortable paddle board performance shirt out there. This shirt is Moisture Wicking, Quick drying, Temperature Regulating, and Treated with a bluesign approved anti-microbial for great odor control. The Stitching is made with ActiveSeam which makes the seams nearly undetectable when applied next to skin. This shirt is made start to finish in the USA with high quality and enviromental standards. 10% of proceeds go for ocean cleanup to keep our oceans, beaches, and planet healthy.