Pulse Mesh Country JockStrapCountry Mesh Sheer Jock Straps from Pulse Underwear. These mesh jockstraps have the country flags lithographed onto the pouch. Available for the United States, Canada, Germany, United Kingdom, and Australia. The form fitting pouch on these jocks has considerable stretch. Material: 95% Nylon, 5% Lycra Made in the USA Size Chart Size Inches Centimeters Small 29 31 74 86 Medium 32 32 81 81 Large 33 34 84 86 X Large 35 36 89 91