Rumpl has long sought to offer a better alternative, and its all-new Wrap Sack looks to solve the sleeping bag's most glaring shortcomings with an adjustable multi-layer design and oversized shape.

This Compression Sack Helps Me (Literally) Squeeze More Into My Luggage. Updated June 16, 2025. ... or you’re checking a bag for a longer trip, a compression sack can still come in handy.