https://www.rei.com/product/207878/rei-co-op-midweight-base-layer-half-zip-top-mens REI Co-op Men's or Women's Midweight Base Layer Half-Zip Top (various) on sale for $19.83. Select free store pickup where available, otherwise shipping is free on orders $60+, or for REI Co-op Members ($30 lifetime). Shipping is otherwise $7.99 on orders under $60.