Zoot Sports Men's Dawn Patrol 1/2 Zip Body: 92% Polyester / 8% Spandex, 230gm2 Inset: 100% Polyester, 66gm2 Imported Water protection in a brushed-back knit for superior stretch and moisture transport Cam Lock zipper for controlled venting Thumb holes Reflective details for increased visibility Bonded MP3 port