Saucony Men's Omni Drylete Sport Top 92% Polyester/8% Spandex Imported Reflective stitching on front and back and reflective insets at back shoulder keep you extra bright in low light Superior stretch thermal fabric with exceptional moisture management keeps you dry and comfortable Envelope thumbholes on seam and extra cuff length keep your hands toasty Front kangaroo pocket keeps your mitts warm Reflective stitching on front and back and reflective insets at back shoulder keep you extra bright in low light