Avid Exo + BivvyThe EXO has been 5 years in the making, the ultimate shelter for those who want to set up there shelter as fast as possible without a single compromise on comfort. Incorporating the most innovative pole set up and self locking central boss, this is the single most efficient shelter to set up on the market to date. The Fastest Set up and pack down of any shelter of its kind Black out EX fabric Patented boss design for the most effortless set up of any