When it's so cold outside that curling up by the fire is the only thing on your mind, the Sugoi Men's RS Firewall Bib tights are the toasty layer you need to get outside and ride. The warmest of the Sugoi winter line, the RS Firewall Bib Tights are constructed of Sugoi's Firewall 260 fabric. This a 3 layer softshell fabric comprised of a knit fabric with a breathable polyurethane membrane. The fabric gives full range of motion, stretch, and comfort. The dual action wicking and breathability from the inside, combined with wind and water resistance on the outside, protects you in the coldest winters. The tights feature a soft brushed interior so you don't need to layer shorts underneath. In addition to the Firewall 260, the tights also feature inserts of Subzero a stretch, wicking fabric that has been treated with a durable water repellent finish to give the tights an added layer of protection against the elements, while retaining their form fit. The straps of the bibs are Sugoi's Mobil Mesh, a breathable airy fabric, which helps wick the inevitable moisture buildup. The bibs feature a full back and high waist for complete, under jersey, coverage you won't have any more chilly spots at your waist. A seamless front panel and flatlock stitching add comfort against your skin. Removable stirrup bottoms customize the fit based on your personal preferences. The RS Firewall Bib Tights include the Formula FX chamois. This 4 way stretch chamois is a perforated, seamless knit that provides maximum ventilation and vibration dampening. The smooth top surface is molded with a welded center channel for added pressure relief. The Sugoi Men's RS Firewall Bib Tights are available in sizes Small through XX Large in the color Black.