REI Men's Sahara Tech Plaid Button Up Shirt in Green Size Large, EUC, looks new. 94% polyester, 6% Spandex, lightweight polyester, packs small, has stretch for range of motion, dries fast, wrinkle- resistant. UPF 50+ sun protection Two velcro closure chest pockets for essentials, one small button closure pocket on each sleeve Vented underarms for air flow Vent at back of neck that also doubles as a hook to air dry the shirt if wet. Side slits for range of motion Relaxed fit Long sleeves to protect against sun and insects Button closure cuffs Approximate measurements flat lay: 23.5" pit to pit 26.75" long 25.25" sleeve from shoulder seam Stock photo is for reference of fit only