BONUS 6 PACK BASE LAYER / UNDERSHIRT LONG SLEEVE TOPS ; Natural Breathing Soft Cotton Fabric with a Touch of Flexible Spandex in Brilliant Colors SNUG FITTING & EXTREMELY FLEXIBLE ; Smooth Cotton Slim Fitting w Stretch / Great Under Clothing Layer No Thick Bulge Heavy Underwear Provides Extra Warmth In Cold Weather & Great Wear Alone in Mild Temps SMOOTH & SOFT FLAT KNIT FABRIC; GREAT FIT & COMFORT : Long Sleeve Crew w Spandex Rib Wrist Stay in Place Cuffs Openings / Tag Free TRUE TO BOYS/GIRLS SIZE CHART; Available in Sizes Toddler to 16 - Unisex EASY CARE -NO SHRINKAGE ; Machine Wash Cold / Lay Flat or Tumble Dry This 6 Piece Long Sleeve Shirt Saver Pack from Snoozzz'n includes 6 Long Sleeve Base Layer Underwear / Shirts in Fun Assorted Colors. Fabric is Premium Cotton Spandex Blend allowing the body to breathe naturally as the layer under clothing. Quality Assurance Guaranteed.