Kevlar Thread: This is the same material that is used in bullet proof vests. Also labeled Super Thread, Kevlar has a working strength of eight lbs.
Kevlar Thread Guide
The Cloak – TN FLY CO
Designed for the tier who likes the polyester or rounded threads. This exclusive line of thread is from a well-noted European manufacturer. Available in the following sizes. 12/0, 8/0, 6/0,and 3/0. All spools contain 100 yards.
Cascade Crest 6/0 Euro Thread, Black
Cascade Crest - Natures Spirit Fly Tying
DuPont® KEVLAR® Thread in 7 sizes and natural yellow and black
Cascade Crest Tools
And Wander Kevlar Hooded Jacket - Green - 574-3181016
High Temp. Kevlar® Threads- CS Hyde Company
DuPont® KEVLAR® Thread in 7 sizes and natural yellow and black
Kevlar Bulletproof Vest