NRS Extreme SAR DrysuitNow there is a drysuit that works as hard as you do. Get the job done with the NRS Extreme SAR (Search and Rescue). Now there is a drysuit that works as hard as you do. Get the job done with the NRS Extreme SAR. Designed specifically for our hardworking rescue customers, the breathable, waterproof, 320 denier TriTon fabric will hold up to years of abuse. Super tough Cordura exterior material reinforces seat, elbows and knees for rugged protection in