Telescope Momentum Sling Collection Forward thinking and forward movement are represented in the clean, crisp, yet fluid lines of the Momentum Sling Collection. The tubular aluminum frame is constructed of a series of mitered joints, which gives the collection it’s sleek feel. Telescope’s premium Elastomeric fabrics are available as a special fabric option for the Momentum Sling Collection. If you desire a modern, clean look, this is the collection for you. The Momentum Sling Collection is backed by our 15 year residential warranty. Patio Furniture