Turtle Fur Polartec Windbloc Fleece Frost Liner Color:Black FDA and NSA approved medical

FDA and NSA approved medical grade materials for food and bio-hazard storage

Lens are optically decentered to eliminate distortion and prevent unwanted magnification

Maximum Crossbar Spread 38

Underarm venting

5 mm Forefoot stack height 24

Turtle Fur Polartec Windbloc Fleece Frost Liner Color:Black FDA and NSA approved medicalWith a durable water repellent finish, this snug fitting beanie repels water without sacrificing breathability. Fitting perfectly under a hat or helmet, the Frost Liner keeps you warm while also protecting you from the wind with two layers of fleece laminated together to create a patented windproof membrane. Our Polartec Windbloc Frost Liner provides extraordinary warmth and wind protection while fitting comfortably underneath a helmet. The ears of