Patent ID: 7678718

Claim:
A garment, comprising: (a) an article of base layer apparel for wear adjacent the skin and selected from the group consisting of long underwear, short underwear, and undershirts, and formed of a knit fabric, comprising: (i) ring spun flame-resistant yarns comprising an intimate blend of between 74 percent and 80 percent modacrylic fibers and between 20 percent and 26 percent flame-resistant viscose fibers, wherein the modacrylic constituent has at least 50 percent acrylonitrile units, and further wherein the yarn size is between 30/1 cc and 36/1 cc, and the modacrylic fibers have a denier of about 1.5; (ii) wherein the yarns are formed into a double knit construction having a first skin-contact layer and a second layer, the first skin-contact layer having first open spaces and a second outer layer having second open spaces larger than the first open spaces; (b) wherein the article of base layer apparel is flame resistant, moisture absorbent, and has a soft hand suitable for wear in direct contact with a wearer's skin for extended periods in high temperature and high humidity environments.