JS Active Men's Nelson Puffer Vest Keep your core warm and toasty with the Nelson Puffer Vest. Made from 100% nylon, this activewear vest is perfect for staying cozy during outdoor adventures. Be ready for anything with this versatile and durable vest. Performance Apparel Relaxed Fit Contents + Care 100% Nylon Do Not Bleach Tumble Dry Low Cool Iron If Necessary Machine Wash Cold With Like Colors