Heavyweight Reflective Survival Jacket - Reflects Heat & Highly Durable Material: aluminized PVC inner lining bonded to a tough, non-woven nylon outer shell. Wind & Waterproof Heat Reflective: The aluminized PVC lining does a great job reflecting and conserving heat. Wind & Waterproof: Tear & Puncture Resistant Dimensions: Chest: 53 (all the way around); Sleeve Length:23(armpit to end);Length 45 (shoulder to bottom). Dimensions packed: 14X10x1. 8.3 oz. packed.