Fitted T-Shirt Size Chart

How to Measure (Lay your favourite t-shirt flat and compare measurements to size chart below to fin your best match)
CHEST: Measure under the arms of the sleeve across the fullest part of the chest.
SLEEVE: Measure from the center of your neck, over the shoulder, down to bottom of the sleeve.
LENGTH: Measure starting from the collar of the shirt down to the bottom hem of the shirt.
UNISEX: The body of the garment is not form fitting. Unisex medium is equivalent to Men's medium through the chest and sleeve length. Men's medium is similar to Ladies Large. Sleeve length will be about 1-1 1/2" longer. 
S 43 63 35
M 45 66 36
L 49 68 38
XL 52 70 39
XXL 58 71 41