Mid weight bibtights, Pearl Izumi’s Elite Thermal Bibtights add essential warmth and breathability to keep you comfortable and dry on cold rides. Constructed leg articulation means your legs will have full protection without restricting movement. The mesh bib upper provides security and support. The built in Elite 3D Chamois provides comfort and padding for long days in the saddle and removes the need to layer your bibs over cycling shorts. Elite Thermal Fleece Fabric Provides Superior Moisture Transfer and Warmth Elite 3D Chamois Offers Maximum Support and Comfort for Extended Trips Contoured leg Opening Provides Additional Coverage Over Your Shoes to Keep Your Ankles Warm Description by Mark, Rutland Cycling Web Team.