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Microfleece FabricCampmor's "100 Weight" micro-denier fleece is constructed of 100% polyester and is brushed both sides with anti-pilling technology. "100 Weight" micro-denier fleece provides warmth without the weight and bulk of traditional insulating fabrics and is very breathable to provide comfort in all activities. In addition, this fabric exhibits quick drying properties to minimize heat loss and is very durable; ideal for extended usage and superior comfort.Waistband with full elastic for easy fit. Curved front pockets just below waistband. Straight bottom leg opening. Avg. wt. 10oz. Import.