Sawyer Premium Permethrin Insect Repellent for Clothing, Gear and Tents I will forever remember a backpacking trip into the Wind River Range when the bugs were so bad my wife and I sprayed a DEET ...

The shirts we sprayed with deet didn’t cause any knockdowns ... permethrin is highly toxic to cats. According to Sawyer, which makes permethrin products, treated clothing is not dangerous ...