The Ultimate Direction FK Bivy is an ultralight bivy that packs down incredibly small. When you're hiking alone and just need protection from bugs, wind and a bit of rain, this little space is just the ticket. Featuring a frog mouth opening, it's incredibly easy to get in and out of and it offers plenty of head space, cutting down on that claustrophobic feeling. Not 100%; waterproof, but add the FK Tarp to your cart and you'll be set for when the rain comes. Features of the Ultimate Direction FK Bivy Twin arch pole construction provides ample headroom Sewn-in strap keeps your sleeping pad securely in place Use with our FK Tarp for full water protection or alone for protection from wind and bugs Zippered closures on mosquito netting and nylon ripstop protect from both bugs and wind