The endura thermolite pro biblong with pad uses thermolite fabric with a wicking stretch mesh upper high performance repel teflon fabric protector delivers ultimate weather comfort with durable water repellency while the slimline ankle zips with snapdown puller and bib zip fly make for an easy exit ergonomic body panelling supports the bike fit of this firm favourite and the double thickness layer on the knees provides extra warmth for your joints ideal for cold weather cycling thermolite us