Arctic Shield Heat Echo Loft Jacket- Men's Black Medium. This product comes with our patent pending Retain Active technology and can be utilized as a layer when needed. The Heat Echo Loft has been proven to be durable windproof and breathable during an all-day hunt in fluctuating weather conditions. Our Loft Series use a stitchless manufacturing process which excludes the use of needle holes puncturing the outer fabric. This allows for windproof construction to keep cold air out but still provides breathability to improve the thermal performance. You will feel warmer for longer periods of time. Specifications for Arctic Shield Heat Echo Loft Jacket - Men's: Manufacturer: Arctic Shield Apparel Fit: Regular Gender: Male Age Group: Adults Application: Outdoor Fabric/Material: Retain Active Insulation: Synthetic Loft Insulation Weight: 100 Features of Arctic Shield Heat Echo Loft Jacket - Men's Active breathable heat retention technology Durable polyester outer shell Water resistant Windproof Breathable Lightweight Insulated collar Inner storm flap with chin guard Zippered chest pockets Zippered hand warmer pockets Adjustable drawcord waist 150g synthetic loft insulation Elastic wrist cuff Package Contents: Arctic Shield Heat Echo Loft Jacket - Men's Arctic Shield 533800-804-030-18: Heat Echo Loft Jacket- Men's Realtree Edge Medium Arctic Shield 533800-700-030-18: Heat Echo Loft Jacket- Men's Black Medium Arctic Shield 533800-804-040-18: Heat Echo Loft Jacket- Men's Realtree Edge Large Arctic Shield 533800-700-030-18: Heat Echo Loft Jacket- Men's Black Medium