Rbtr webbing. But as I haven't found a satisfactory answer yet, I'll ask. 2oz more than same length UHMWPE — I used RBTR's Venom and Myerstech for a while — but I love the handling and simplicity of a straight webbing setup and knots enough to take the 35g hit. I kept the gusset for comfort and more economical fabric cutting. Weight - As built, this pack weighs 14. But 3/4″ webbing inside a 5/8″ ladder lock would be easier to obtain. Originally Posted by squidbilly. Carry - The pack carries nicely 4. In comparison a whoopie sling will be 3 grams per foot and polyester is 7 grams per foot. The Mantis is specifically designed to work with most variations of daisy chain webbing. Made in Manitoba by Chris Randall, these fireboxes are idea for back country camping.