Dynamax Hinged Headliner NF0A7RJ9-I0H 4-Inch model has a fine

4-Inch model has a fine side - 600 grit

Seasoned cast iron construction

Soft fleece interior lining

Prolongs the life of your tent

Pleated bi-swing back for extra stretch across the shoulders

Dynamax Hinged Headliner NF0A7RJ9-I0H 4-Inch model has a fineSkull cap with built in balaclava. Hinged construction for a premium fit. Made with Seirus' exclusive Dynamax dual density, micro denier Thermax. Thin, warm, wicking, stretchy, and wind blocking. More stretch, more warmth, more wicking, more wind block, and still thin. Hinged design for complete cover up. Quick Drying, Increased Airflow, Wicking & Heat dispersing. UPF 50 Rating Dynamax Body 88% Polyester 12% Spandex