Gore bike wear oxygen partial thermo bib shortsthese oxygen partial thermo bib shorts are excellent road cycling shorts with strategically placed wind and spray protection for the dedicated cyclist they feature almost unnoticeable bibs and a wide non cutting hem combined with a seat insert designed for long distance rides featuresmaterial main fabric 57 nylon 28 polyester 15 elastane insert 92 polyester 8 elastane shell inside 92 polyester 8 elastane mesh 87 polyester 13