The 4-layer construction features a silent, non-reflective outer knit fabric that is windproof and highly water resistant to withstand the unpredictability of nature. These bibs protect you from the cold with 100 grams of PrimaLoft Black insulation lined with a dense inner lining with long bristles for double protection. The side zippers extend to the knee and allow you to put the bibs over the boots without hassle. A complete crotch bellows and extendable side panels maximize comfort and mobility. A zipped chest pocket and pockets on the thighs allow quick access to the equipment.