Undershirt - Gray 100% Cotton V-Neck - $25 for 3 ($8.33 each) - Lands' End

3-pack is $24.97 with code ROAST (50% off sitewide). Free shipping at $100. I've been looking for 100% cotton v-neck undershirts in gray and this is the best I have found. Lands' End undershirts have been mentioned in other threads on Reddit as quality.