The ArcticShield Classic Elite Bib is developed with ArcticShield Retain heat retention technology, and consructed with a quiet, polyester tricot exterior that easily sheds rain and wind, while keeping you warm and comfortable to allow for longer tree stand sitting or blind hunting in colder weather. Featuring a fully relaxed fit for added comfort, the bib provides a low bulk construction and is lightweight and comfortable for staying out longer. This full-fit, relaxed bib is constructed with thigh-high two-way zippered leg gussets with storm flap and snap closure, hook and loop at bottom leg cuff for adjustment, and elastic waistband for greater mobility. Availalble in sizes Medium through 3X-Large. ArcticShield Retain provides warmth where you need it most, while still allowing you room to move - because it provides less bulk. This heat reflective thermal material captures greater than 90% of body heat, and returns it back to your body, keeping you warm and comfortable"