Nylon Imported SIMPLE AND EFFECTIVE: Provides a convenient, simple and economical way to slow your drift or more-precisely follow breaklines or other fish-attracting structure when the wind kicks up EASY TO USE: Deploys with ease and makes staying on fish-holding structure in the wind not only possible, but easy; Dries quickly and packs small so it can be easily stowed in boat storage compartments TANGLE-FREE: Floatation material in the upper cylinder and a weighted bottom cylinder ensures the sock opens fast and resists rotation to slow your drift and control your boat without tangles or snags TOUGH AND DURABLE: Rip-stop nylon fabric reduces rippling and pulsing and 1-inch nylon straps offer added support and durability AN ANGLER'S ESSENTIAL: For serious anglers, Lindy Drift Control Drift Socks are essential to angling and boat control