The authors started with this question: What happens when you create a new animal and place it in the sea

and zippered dividers (one mesh

membrane and DWR (durable water repellent) finish are made without PFCs (perfluorinated chemicals)

and it's insulated with 100-g Thermogreen® 100% recycled polyester for cozy warmth

Comfortable nylon-bound elastic cuffs seal in warmth

Men's Lightweight Insulated Fjord Flannel Shirt 20386 drinkware The authors started with thisMade from soft yet durable 100% Cotton in Conversion brushed flannel with 80 g Thermogreen 100% recycled polyester insulation, the Lightweight Insulated Fjord Flannel Shirt keeps you warm in casual, timeless style. Insulated with toasty 80 g Thermogreen 100% recycled polyester Full length, button front placket provides easy adjustability to accommodate changing conditions Cuffs can be worn buttoned in the cold or unbuttoned to allow for easy sleeve