Thumb Score: +20 https://www.costco.com/stitch-sl4...37223.html 5% surcharge for non-members. Ride in style with the SL Cart sitting on the back of your golf cart. The SL Cart was inspired by 70's throwback staff bags, but we wanted to elevate the design by making it super lightweight [ hints the name SL - standing for superleggera, meaning super light and durable – Cart so that once loaded up with clubs and your essentials, carrying the bag to and from your trunk to the course would be a breeze.