Mac in a Sac Synergy Thermolite Vest (Men), Black Apparel Belts The large zipped opening gives

The large zipped opening gives full access to the total volume of the bag

and interior lid section with a full-length mesh zipper pocket for double sided packing

Its outer is made of polyester created from recycled plastic bottles

designed for greater control and stability

Mac in a Sac Synergy Thermolite Vest (Men), Black Apparel Belts The large zipped opening givesA lightweight Thermolite filled jacket designed for warmth and comfort. Contains 550 Fill Power to keep the cold at bay, with the option to pop in the sac if it gets too hot out there! This packable jacket is ideal for everything from commuting to hiking, walking and generally enjoying life!