Kelty's got your back during your next chilly night in the backcountry. With the Sine 20° DriDown™ Sleeping Bag, you get the best of both worlds of comfort and light on weight. The Arc Zipper System is there to provide a natural arm motion when opening the bag and for dual venting. The water-resistant 800 fill DriDown™ stays drier, lofts better, and dries faster.Read more
Hydrophobic finish is key to the outstanding performance of DriDown™, enabling products insulated with DriDown™ to stay drier, loft better, and dry faster than products insulated with untreated down. This means any bag or jacket insulated with DriDown™ will keep you warmer, longer in any situation.