Summit's standard Viper SD continues to be one of the most popular climbers ever for bowhunters and rifle hunters. Its large foot platform, adjustable plush seat, and available accessories provide versatility to fit any hunting style. With the Viper SD, all-day sits are no problem. The seat and zippered armpads for this model come in Mossy Oak Country DNA. Learn about all of the Viper SD's features below, including Dead Metal Sound-Deadening (SD) technology and more.Specifications and Features: The classic Viper SD remains a favorite amongst hunters Strong, lightweight aluminum construction makes transporting and climbing a breeze Weight Limit: 300 Lbs Mass Weight: 20 Lbs Seat: 18" X 12"D Platform: 20" X 36"D Sit comfortably for hours thanks to the suspended foam-padded seat with cushioned backrest and padded armrests