Giant39s all new race day bib shorts feature transtextura fabric construction with upf 50 sun protection race day39s eit liege chamois with 3d coolcube fabric offers long ride comfort while mesh shoulder straps and high compression leg bands keep the bibs in position includes reflective details for improved low light visibilityfeatures fit race fit fabric transtextura upf 30 chamois eit liege chamois with 3d coolcube fabric visibility re64258ective details on le