THIS IS WHAT THE MILITARY CALLS A SLEEPER. AS YOU CAN SEE IN THE PICTURE WHAT IT IS MADE OF. IT WILL KEEP YOU NICE AND WARM AT NIGHT OR WEAR AS UNDERSHIRT DURING THE DAY. (LOTS OF GUYS WEAR THEM HUNTING). IT WORKS BY KEEPING YOUR BODY HEAT IN THE SAME WAY THE EXTREEM COLD SLEEPING BAG WORKS.

VERY LIGHTWEIGHT.

THEY ARE MADE BY GREENBRIAR IND. USA.

IT SAYS XSMALL IN SIZE BUT READ THE MEASUREMENTS BELOW.

SHOULDER SEAM TO SHOULDER SEAM APPROX. 16 1/2"

ARM LENGTH FROM TOP OF SHOULDER SEAM TO END APPROX. 21 1/2"

FROM BOTTOM OF COLLAR IN BACK TO BOTTOM OF SHIRT APPROX 28 1/2"

CHEST FROM BOTTOM OF ARM PIT TO ARM PIT APPROX. 18 1/2"