The Filson Ripstop Nylon Webbing Strap is The Ripstop Nylon Webbing Strap is a direct replacement for the shoulder strap that comes with Filson’s Ripstop Nylon Briefcase. The nylon webbing is durable and conforms to the curve of yFilson’s shoulder. The pad features spacer mesh for comfort and breathability. Adjustable from 30-3/4? to 53-3/4?.