The GMVP1151B1 is 11

300D polyester diamond Ripstop w/PVC backing and emobssed diamond PVC

Wilson Siren 11

Made from the top 5% of hides that Wilson gets

providing UPF 40 sun protection against harmful UVA and UVB rays

New Under Armour Women's ColdGear Authentics Compression Mock Size Small Blue Blue/Gold The GMVP1151B1 is 1187% Polyester, 13% Elastane Imported Updated brushback knit fabric maximizes comfort, breathability & maintains warmth Material wicks sweat & dries really fast 4 way stretch construction moves better in every direction Anti odor technology prevents the growth of odor causing microbes Smooth flatlock seams prevent chafing