REI Hobitat 4
Obviously, a higher number is better, as a thin coating is less resistant to abrasion and therefore more apt to fail. For a tent floor, Id say about 1,000mm pressure resistance is the minimum for wet conditions. The fly can get away with a lower rating because youre not kneeling on it and potentially squeezing water through the fabric. High-end backpacking tents will have floor coatings rated to as much as 3,500mm.
Denier (pronounced den-YAY) is a unit of measurement that applies to a yarns thickness. Packs often have fabric with a denier of 500 or morepretty heavy stuff, for more durability (but also with big gaps between fibers, which is why its so difficult to waterproof a pack). Clothing uses much finer yarn, so the denier there is often around 70 or so. In tents youll find a mix, depending on where the fabric is used, with a denier of 75 and 150 most commonly found.
You dont say what kind of tent youre looking for. If car camping, then a good choice for a family of four is REIs new Hobitat 4 ($259; www.rei.com) or Hobitat 6 ($329). These are exceptionally sturdy tents for their size, with a rugged 300-denier floor and a coating rated to 1,500mm. I also like the Eureka! Equinox ($349; www.eurekatent.com), which sleeps six. Its floor is rated to 1,200mm.
I almost always recommend that tent users place something under the tent to protect the floor from abrasion. Most tent manufacturers will happily sell you a footprint" for $40 or more. But you can buy some light polyethylene sheeting at your local hardware store and cut yourself a piece. Make it slightly smaller than the size of the floor, so water dripping off the tent doesnt catch on the footprint and collect under the tent.
The votes are in: Check out the winners of Outside's 2006 Gear of the Year awards, including the year's hottest tent.
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