Sling - SUP Deluxe w PouchStand Up Paddle Board Sling SUP Sling Deluxe with Pouch Australia This Deluxe SUP Sling webbing style is designed as a strong, lightweight system to assist when carrying heavy wide boards. Slide the board through the webbing loops, adjust the buckles to the required length, place the pad on the shoulder and off you go. The main advantage of this sling is that it includes the carry waist pouch which allows you to take the sling with you on the water.