Classic Skull Cap - Ghost Classic Skulls on Red Color:Red while the low-profile form factor

while the low-profile form factor fits easily under most jackets

Size CENTER BACK LENGTH CHEST CIRCUMFERENCE SWEEP RELAXED CROSS SHOULDER SHOULDER CROSS BACK X-Small 19 1/4 34 1/4 35 1/2 13 1/2 3 3/8 12 3/4 Small 19 3/4 36 1/4 37 1/2 14 3 1/2 13 1/4 Medium 20 1/4 39 1/4 40 1/2 14 3/4 3 11/16 14 Large 20 3/4 42 1/4 43 1/2 15 1/2 3 7/8 14 3/4 X-Large 21 1/4 45 1/4 46 1/2 16 1/4 4 1/16 15 1/2 2X-Large 21 3/4 48 1/4 49 1/2 17 4 1/4 16 1/4 3X-Large 22 1/4 51 1/4 52 1/2 17 3/4 4 7/16 17 4X-Large 22 3/4 54 1/4 55 1/2 18 1/2 4 5/8 17 3/4 5X-Large 23 1/4 57 1/4 58 1/2 19 1/4 4 13/16 18 1/4

Step 3: Check remaining battery life by disconnecting battery from product

Make sure the inner padding fits snug all around

The soft fleece neck gaiter adds extra insulation where you lose heat fastest

Classic Skull Cap - Ghost Classic Skulls on Red Color:Red while the low-profile form factorMade in USA: often held to higher product quality standards. Sweat Band: made of super absorbent terry cloth to prevent sweat stains and keep the sweat out of your eyes. One Size: fits the majority of people. Ties in Back: for security, fit, and adjustment.