Mossimo Supply Co. long sleeve thermal shirt in a classic heather gray. This y2k-era staple is crafted from 100% cotton waffle knit fabric, offering both breathability and warmth for layering. It features a comfortable crew neckline with a contrasting blue inner neck tape, ribbed cuffs, and a subtle curved hemline for a relaxed fit. The textured waffle weave provides that iconic vintage aesthetic, making it a versatile piece for casual everyday wear.