mier men's outdoor performance tactical polo shirts long and short sleeve, moisture-wicking, black, xl mier mier men's performance short/long polo shirt provide great comfort for all occasion. special moisture - absorbent fabric combined with breathable underarm mesh can absorb quickly absorb moisture from the body surface, quickly evaporate, allows you to stay dry in a variety of indoor and outdoor activities; upf50+ will effectively protect your skin from the sun's harmful rays, make you fearless of sunlight. this multifunctional polo shirts provide additional design, such as mic clips at center placket and shoulders, dual pen pockets, in which you can wear it daily, work, hiking, golf, patrol, security, etc.