This comfortable Stearns men's life jacket is made of antibacterial nylon and filled with polyethylene foam. The life jacket is odor, mold, and mildew resistant, keeping it fresh for a long time. It is suitable for men with a weight class between 40 and 70 kilograms and a chest circumference of 81 to 102 centimeters. The black and gray life jacket has a closed back and sides, making it safe and comfortable. With four adjustable straps with clip attachments, the life jacket can be easily opened and closed. It meets the 50 Newton buoyancy standard. Product specifications: - Material: antibacterial nylon - Filling: polyethylene foam - Weight class: 40-70 kilograms - Chest circumference: 81-102 centimeters - Color: black and gray - Closure: closed back and sides - Adjustable straps: 4 with clip attachments - Buoyancy: 50 Newtons