O'Neill Men's Boost 300g Drysuit

The O'Neill Boost Drysuit is one of the most respected drysuits on the market. Wakeboarders and waterskiers have been asking us for this suit for years. This is a baggy drysuit, no neoprene, but made of a durable, abrasion-resistant nylon shell. Be sure to wear some fleece underneath for warmth. The O'Neill Boost features latex wrist and ankle seals, a waterproof horizontal back zipper, a free neck seal, and fully taped waterproof seams. The built-in suspenders make it easy to get in and out of.

• Nylon
• Imported
• Zipper closure
• 3 Layer Breathable Nylon Shell
• Loose Fit Drysuit
• Neoprene Neck Seal
• Laytex Wrist and Ankle Seals
• Waterproof Horizontal Back Zip

I'm not sure how many mm, but I can say that the specific thickness may not matter if your underlying concern is whether you can stay dry and warm in near-freezing conditions. The answer to THAT question is definitely yes. Unlike a wetsuit, where thickness is tied closely to warmth in specific water temperatures, a drysuit's primary function is to keep you dry in wet conditions and give you the flexibility to add layering according to your needs. This suit is roomy enough to put as much layering underneath as you want. I've used it with a single layer of clothing underneath in icy conditions, and the wind/wet protection of the suit, combined with heat-generating activity (I standup paddle with my suit), is enough to keep me warm throughout my workout. I have a significant caveat about this suit, though (and I'll probably put this in a separate review): The zipper works well if you keep it well-lubricated with an appropriate zip-lubricating product. It worked well for me last season with the lubricant on it, but this season, I neglected to reapply the lubricant, and the zipper failed to catch correctly. Once it came off the zipper track, there was no way to get it back on track, and I just sent it to O'Neill for a possible $100+ repair. UPDATED 12/15/2016: O'Neill immediately responded to my repair request, and they just sent me a new suit at no charge, so I have NO complaints about their customer service on this issue! It should work fine if you don't make my mistake and lube it appropriately. The zipper is EXCLUDED from the manufacturer's warranty, so you must pay attention to this issue or pay for a repair.

It weighs less than three pounds. It doesn't consider any more than my regular wetsuit. They sell neoprene booties at most dive shops made out of wetsuit material with rubber soles. I use those with the dry suit. The ankle openings are tight, so it doesn't let water up the legs. There is no 'dry shoe' option that I know of. I often wear my wetsuit under the dry suit for extra warmth.

I can't answer that, sorry. I bought mine several years ago and like the suit. It has a perfect-size chart on its website. If unsure, error on the large side.

No water rescue dry suit not for diving top side water rescue