SIM Lite 3.8 M - Self Inflatable Sleeping Mat Head & Neckwear EZ Out removable tongue provides

EZ Out removable tongue provides a snug

Chest zipper

They've been making bottles for over 100 years and they're pretty good at it

and to be refined over years of testing by those in the field

SIM Lite 3.8 M - Self Inflatable Sleeping Mat Head & Neckwear EZ Out removable tongue providesDescription Exped SIM = Self Inflating Mat Super Light. These Exped sleep mats are traditional style self inflatable mats but with hollow air channels and are the first to incorporate flat valve technology. The result: reduced weight, reliable, easy to inflate deflate, slip resistant, easily packable and durable. Great for anything or anyone from school camps to alpine expeditions. Exped SIM Lite 3. 8 Features Stuff sack and repair kit included. High