Pearl Izumi Sun Sleeves Protection From Harmful UV Rays Protect your arms from over-exposure to the sun with the Pearl Izumi Sun Sleeves. They'll feel like a second skin and provide optimal cooling and moisture management thanks to In-R-Cool technology. The Pearl Izumi Sun Sleeves deliver UV UPF 50+ sun protection with no need to reapply. Features In-R-Cool technology to provide optimal skin-cooling effect and moisture management when you perspire Elite Transfer fabric with UPF 50+ Sun Protection and Ice-fil Bio Viz reflective elements for low-light visibility Easy slip-on fit that stays in place while you ride Size (Inches/CM)Small Medium Large Arm Length(shoulder to wrist with 90-degree bend in the arm)246124. 56225. 2564Bicep(circumference)12. 532133313. 534Wrist(circumference)7187. 2518. 57. 519 | Pearl Izumi | Sun Sleeves Men's | Size Large In Black