What Our Gearhead(R) Experts Are Saying:"This sleeping bag hits the perfect balance of weight and warmth. The recycled materials and Diamond Quilting add to its performance while keeping it eco-conscious. It's compact, cozy, and ready for any adventure from spring to fall."The Fly Creek UL Sleeping Bag is the ultimate companion for ultralight backpacking. Crafted with recycled 10D nylon ripstop and filled with 850-fill Downtek insulation, it delivers exceptional warmth while maintaining an eco-conscious edge. Its Diamond Quilting reduces stitching to maximize loft and thermal efficiency. A half-length center zip makes temperature regulation effortless, while the mummy fit, draft collar, and ergonomic foot box trap heat where we need it most. Whether we're trekking into alpine landscapes or camping by quiet rivers, this ultralight bag keeps us warm and ready for restful nights under the stars.