Heat-resistant knitted underwear

A no-melt no-drip underwear comprising:

• a front portion, the front portion including a pair of side fabric portions secured on lateral sides of a middle fabric portion, the pair of side fabric portions including warps generally aligned in a longitudinal direction of the underwear and welfs generally disposed at an angle from the warps allowing the fabric to stretch in a transversal direction;
• and
• a rear portion, opposed to the front portion, the rear portion including a pair of side fabric portions secured on lateral sides of a center fabric portion, the pair of side fabric portions including warps generally aligned in a longitudinal direction of the underwear and welfs generally disposed at an angle from the warps allowing the fabric to stretch in a transversal direction, the center fabric portion including fabric comprising warps generally aligned in the transversal direction of the underwear and welfs generally disposed at an angle from the warps allowing the center fabric portion to stretch in the longitudinal direction,
• wherein the fabric portions include no-melt no-drip heat-resistant material and wherein the stretching property of the fabric is mechanically provided by the knitting thereof,
• whereby the center fabric portion is adapted to longitudinally stretch when a wearer is bending forward to cover a wearer's lower back.