Inflatable designs have benefits on the water, too, like durability against rocks or other debris. Inflatables, which we focus on here, are a great option because when they’re deflated, they can more easily fit in a closet, trunk, or truck bed. Paddleboards are similar in shape to a long ocean surfboard but also have fins that are removable or fixed on the bottom, which help the board track well in the water while being steered. Whether you’re floating on a mellow river or lake, navigating Class 2 rapids, or exploring coastlines, a SUP offers freedom and exposure you don’t get in a boat or kayak. Standup paddleboarding, or SUPing, is the act of standing (or sitting or kneeling) on a solid epoxy or inflatable plastic board tapered at both ends and using a paddle to move through the water. There’s a good chance you’re familiar with standup paddleboarding, but if you aren’t, here’s what you need to know. Standup paddleboarding is one of the fastest-growing water sports of the past decade.