1.Quality: our mens underwear are in 100% new condition <br> Made of top grade cotton, our mens boxer briefs are skin-friendly in fabric and with elastic waistband. Double stitches technics make undis much more durable in wash<br> Cotton boxer briefs with no ride up legs, perfect choice for sports/gym/daily wear/business travel etc.<br> 2.Style: All our products are with double panel in front pouch area. <br> To satisfied with different customers needs, Some with open fly front. Some with NO fly front. <br><br> 3.Shipment: ①fas Amazon Prime shipping ② we also provide standard free shipping by USPS, shipping time 15-20 days <br><br> 4.Customers Service: if you have any questions or problems about our products, please feel free to contact us first, we are always there for you..... <br><br> 5. Smart gift idea for family member, boyfriend or husband (*^_^*) <br><br><br> Size Chart for CHUNG Underwear (Men): <br> Size S: wasitline 26" lay relax, suggest men 27"-29"<br> Size M: wasitline 27.5" lay relax, suggest men 29"-31"<br> Size L: wasitline 29" lay relax, suggest men 31"-33"<br> Size XL: wasitline 31" lay relax, suggest men 33"-35"<br> Size XXL: wasitline 33" lay relax, suggest men 35"-38"<br>