Details Topo Designs Route Shirt in Black. Feel the breeze. Built from open-weave fabric, our Route Shirt is the good-looking but easy-to-wear piece you’ve been waiting for. Its classic styling can be dressed up or down, while oversized BDU buttons keep it unmistakably Topo Designs. Content + Care - Materials: 100% cotton slub plain weave - Lightweight, open-weave fabric - Chest patch pocket - Oversized BDU buttons - Lightweight, open-weave fabric - Oversized BDU buttons - Signature paracord hang/dry loop - Banded collar - Dropped hem