NRS Men's Sidewinder Bib Dry Four-layer eclipse fabric has a proprietary waterproof/breathable barrier Nanosphere DWR finish locks water out while letting moisture escape Supple polyester microfiber shell allows frictionless movement with superior resistance to puncture and abrasion Upper designed for maximum comfort under your PFD, two side adjustments keep the fit snug to limit water entry Two inch wide wishbone style suspenders stay in place whether you're seated or standing