OMM Sonic Jacket - AW17 Windproof - Protects you from wind to keep you warm and comfortable. DWR Repellency - Water-resistant technology that repels light showers, keeping you comfortable. PointZero - 100% nylon featherweight ripstop fabric. Downproof and windproof with a DWR treatment for moisture protection. Offset Shoulder Seams - Provide freedom of movement and a great range of motion. Stow Pocket in Collar - The smock packs away into its own collar, keeping you light and bulk-free when you need to pack the jacket away.