The W's Prana Blazing Star L/S, yes, you need this long sleeve crew. Who wouldn't?!

Lightweight small rib material with ruching.  

Recycled polyester Waffle knit • Self-fabric weight: 180gsm  • Fitted long sleeve • Tubular collar • Adjustable side seam  cinch with draw cord • Thumbhole opening at cuff • Turnback  hem • prAna heat cut label at center back • Fitted