“ACS” Advanced Channeling Ventilation System: Full front-to-back airflow flushes heat and humidity up and out

Tri-Max® 1680D ballistic nylon bottom panel for durability and comfort when used as a backpack

Linear ported forehead vents

0 to 690 Kpa

it also lets you answer phone calls hands-free

ROK-STRAP SMALL 1/2" BLACK REFLECTIVE luggage “ACS” Advanced Channeling Ventilation System:ROK STRAP MED 1 2 x 28" BLACK These Mini ROK Straps are perfect for camping (tie out your laundry line) Biking (no more nasty bungee cords) or just for bundling your goods together. UV Protected and Reflective. Load rated at 40Lbs of cargo. Toss a set into your back pack and be ready for a new adventure! Specifically designed to attach gear to hiking and back packs and bikes. Secure smaller items without damaging waterproof materials. Quick release