The Goliath SD Climbing Treestand from Summit Treestands is an enlarged version of Summit's popular Viper Treestand and offers a generous 350-pound weight capacity. The Goliath is offers a wider top that provides more room to move around in and is also equipped with a larger, more comfortable seat. Built for maximum concealment, the Goliath features sound deadening (SD) technology to minimize noise in the treestand. Combing the SD technology, the Mossy Oak Breakup Infinity cover for all the padding, and the Summitlokt precision welding system, the Goliath has Summit's premium engineered quality built through out it. Summit's Dead Metal Sound Deadening SD Technology: Every little bit of noise reduction goes a long way in keeping you concealed. Summit's Dead Metal sound deadening technology works by filling in critical parts of the platform with a custom engineered expanding foam to reduce unintentional noises caused by movement on the platform.Specifications and Features: Material: Aluminum Maximum Tree Diameter: 20 Inches Minimum Tree Diameter: 8 Inches Platform Length: 20 Inches Platform Width: 28.75 Inches Safety Harness Included: Yes Seat Length: 18 Inches Seat Width: 12 Inches Weight Capacity: 350 Pound