Men's TECH54 Northstar Bib, Black - 28330582833058 This Northstar Bib will keep you warm and protected with high visibility 3M Scotchlite Reflective Material for additional safety. Combined with the integration of a waterproof Tech54 membrane to keep you dry and comfortable, any trail is your trail. Color Black Material Polyester Fabric Attributes TECH54 5,000mm 5,000g m2 waterproof breathable laminated bonded membrane Insulation 180G of 3M Thinsulate in upper front of legs and lower back,