I see mats from Lloyds which can be custom made for Leaf.
Available through Amazon ...
http://www.amazon.com/Nissan-Custom-Fit ... B004U7YWOO
I don't think the image shows Leaf's ...
Lloyd® Clear Protector Overlays. Protector Mats are made from 100% vinyl with "skid free" surface. They take on the original color of your carpeting and protect it from moisture and dirt. All Protector Mats are custom cut to fit your specific year, make and model.