CornerStone Select Lightweight Snag-Proof Polo. A heavy-duty workhorse at a lighter weight than our standard snag-proof polo. Moisture-wicking and odor-fighting, this hardworking shirt also stands up to 50 industrial washes. 4.4-ounce snag-proof polyester Tag-free label Flat knit collar 3-button placket with dyed-to-match buttons Open hem sleeves Due to the nature of 100% polyester performance fabrics, special care must be taken throughout the printing process.