The PUMP Academy Access Backless Trunk is a part of the Academy collection, a sporty range of designer underwear by PUMP! with an athletic red, white and navy design. The Academy Trunk has a red micro mesh cup design lined with cotton and PUMP! signature designer branding to waistband along with white striping and detail to add to the active look! Designed with a micro mesh nylon-based pouch; the PUMP Academy Trunk has tiny holes in it, which helps to ventilate you and keep you cool and dry for longer. For anyone with an active lifestyle the Academy Trunk is Perfect. Whether working out at the gym or casual day to day wear the PUMP! nylon base helps to keep you comfortable and make the PUMP Academy Access Trunk suitable underwear for daily wear or active-wear. Additionally, the Trunk has a contoured pouch with a vertical seam down the centre of the pouch. Consequently the Academy Access Trunk helps to give a little extra support and definition without the need for any additional padding. The Trunk also features a backless Access Design! 16 Spandex, 84 Nylon VOCLA is an authorized retailer of PUMP underwear, sourcing directly from the brand to guarantee authenticity for you See full range of PUMP MENS BACKLESS UNDERWEAR Small: 28-30\", Medium: 31-32\", Large: 33-34\", XL: 35-36\"