Everyone is asking about Floatchella, now you can show off this cool shirt to say... yeah.. I was part of it... Get the long sleeve and avoid the sun. Long Sleeve Shirt. Easy to fit in, very comfortable, and will keep you both warm and stylish during the colder months of the year. 6.1 oz 100% preshrunk cotton. Sport Grey is 90% cotton, 10% polyester. Double-needle stitching, taped neck, and shoulders. Quarter-turned to eliminate center crease. Ultra tight knit surface.