Mockneck Base Layer Top, Undyed Merino WoolUltrafine, soft to the skin unisex Merino wool base layer top perfect for keeping your core cozy and warm on cool days and nights. Simple in design but supreme in functionality, this not so basic long sleeve base layer shirt works well under near everything and is an indispensable wardrobe staple. Naturally soft, insulating, and self cleaning, Merino wool repels water and dirt, and its keratin content breaks down sweat that may accumulate on the