From www.seamwork.com:
"With it's subtle high-low hem and flattering relaxed fit, Rio is the perfect t-shirt. Rio features fitted short sleeves and a flattering scoop neck. The split hem adds interest while creating additional ease through the hips. This wardrobe workhorse sews up in just one hour and can be adapted for many occasions and activities.
Make Rio out of a moisture wicking jersey for a comfortable athletic look. Or use a rayon knit, perfect for pairing with casual pants like Moji and a cardigan. Looking to customize this classic t-shirt? Try creating your own custom printed fabric, adding a patch pocket, or use this months Block Paper Scissor hack to create a stunning back keyhole."