https://www.rei.com/product/192870/rei-co-op-merino-185-long-sleeve-half-zip-base-layer-top-mens REI Co-op Men's Merino 185 Long-Sleeve Half-Zip Base Layer Top (Red River Clay) on sale for $29.83. Select free store pickup where available or shipping is free for REI Co-op members or on orders $60+.