All ULTITEC coveralls are constructed by their unique seam technology which provides durable and stronger protection to the coverall wearers.
ULTITEC Seam Technology
1. 4-thread overlocked seam
Extra one thread on seam offers stronger strength.
2. 7-9 stitches per inch
Proper stitches offers better protection on seam area.
3. Heavier thread fiber at 150D
Thread fiber is heaver than 100-120D by some competitors.
(* D= Denier)
ULTITEC coveralls are proved to reach class 3 ( >75N) on seam strength test (ISO13935-2) which is about 50% stronger than market competitors.