Project Better Place Men's Cold Weather Base Layer Long Sleeve Crew Neck Thermal Underwear Shirts - 3 Pack Case Pack Information: 3 Shirts Per Pack X 16 Packs Per Case = 48 Shirts Per Case. Inner side is brushed for extreme softness and breathability. 95% Viscose, 5% Spandex, combed & brushed flat knit fabric. 4 way stretch. Moisture wicking. Heat Retention technology. Tag-free. Double stitch interlock seams. NOTE: All Project Better Place products come in a nice polybag that is labeled with SKU identification and UPC barcode. Additionally, all individual pieces have branded hang tags. Side Note: Private Label programs are available for all our product lines.