6.5 oz., preshrunk 100% combed ringspun cotton piqué; 30 singles; Heather Grey is 90% combed ringspun cotton piqué, 10% polyester; soft fashion contoured collar and welt cuffs; clean finished Allen Solley placket with ¼” reinforced box; double-needle bottom hem; sideseamed with 2" side vents; pearlized buttons; single-needle stitched neck, shoulders, armholes and sleeves; semi-fitted contoured silhouette' Oeko-Tex® Standard 100 Certified