ALO Sport Alo M3102 Men's Performance Triblend Long-Sleeve T-Shirt 50% polyester, 37.5% combed and ringspun cotton, 12.5% rayon Rib at neck Lightweight performance triblend fabrication is dry wicking and anti-microbial All colors feature a tonal cover stitch that is one shade darker than body color Black body features a tonal cover stitch that is one shade lighter than body