Attributes . 280 gsm ThermoMAXX insulation provides warmth up to -50 Degrees C/-60 Degrees F, 270 gsm 65/35 poly/cotton fabric provides superior abrasion and tear resistance, Extra strong front YKK #8 zipper, Anti-Puncture Pocket (APP) technology with reinforced stitching to prevent sharp objects from puncturing through, Gusseted crotch for added mobility and maximum comfort, Silver reflective suspender with quick release buckle, Heavy-duty 18 in YKK #8 boot zipper for venting, and easy access, with 7 in internal kick panel, Ultraviolet Protection Factor 50+ Rating (UPF) . Names