The Sigma, Alpha and Beta Bags are our deluxe line of travel/gear bags. They are constructed of rugged 11 oz. polyurethane water-resistant Cordura® nylon.
The Sigma, Alpha and Beta Bags feature:


* A closure assist flap on the main compartment.
* Snap down storm flap on the main compartment.
* Large #9 YKK zippers on all compartments with dual sliders.
* Continuous wrap around carrying handles for superior weight support.
* Two metal \"D\" rings on the side for tying clothing or equipment to the
outside of the bag.
* Two detachable padded shoulder straps for three carrying configurations:
1. Suitcase
2. As a shoulder bag
3. Hands free backpack style.