The 180 Max SD is everything you expect from a Summit sit-and-stand climbing treestand plus a 2 in. wider extended-top frame with a 350 lbs. weight limit. With its plush Surround Seat the 180 degree Max SD is designed for comfort. Completely assembled it includes a wrap around camo pad a backrest and an adjustable-height reversible seat that allows you to sit facing the tree. Weight limit: 350 lbs Overall weight: 23 lbs. Construction: Aluminum Seat Height: Adjustable Height to Platform: Adjustable Platform size: 21" W x 38" L Seat type: Base Pad padded arm rests Seat dimensions: 21-3/4" W x 32" L