Like other people said, the more you weigh it down, the worse it performs. But, if you are like me and just like to paddle slow streams, lakes and ponds, don't care about hitting top speed, or trying to make a bunch of tight turns around rocks, you are fine.
I'm 335 lbs (Working on it! I'm down from almost 450!). I picked up one of the new Pelican Icon 120 Sit-On-Top boats from Academy Sports ($400). It has a 350 weight limit. So, that gives me 15 lbs for gear. Both times I've taken it out, you've had me, my pdf, paddle, spare paddle, a cooler with several bottles of water and my lunch, my safety gear... Honestly, about 360lbs+ and it's been fine. I just needed to plug the suppers with foam rubber practice golf balls ($3 for 4 @ walmart instead of $8 a pair for scupper plugs!).
I know a lot of people here are like I used to be and put down Pelican. But, they are not the same company they used to be. The Icon 120 is part of their new line under new management and a new design team. I was shocked! (I posted about it here: http://www.paddling.net/message/showThread.html?fid=chat&tid=1641698 )
PFD's (Life Jackets)
Kayak & Canoe Outriggers
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