A poromeric waistband comprises a waistband composed of an elastic colloid sheet, a poromeric supporting portion is protrudingly disposed on a side of the waistband, the poromeric supporting portion comprises a plurality of supporting ribs disposed roughly perpendicular to the waistband, and ventilating passages are formed between the supporting ribs and a fastening unit disposed on two ends of the waistband respectively, and the waistband is formed as a loop by overlapping the two fastening units on the two ends. The colloid provides an excellent elasticity for a good wrapping effect. The supporting ribs of the poromeric supporting portion provide an anti-slipping and supporting effect. The ventilating passages between the supporting ribs provide an air circulation effect for maintaining the users comfort even under long duration of usage and high temperatures.一種透氣腰帶一腰帶本體,其係為一彈性片狀膠體所構成,該腰帶本體一側係凸設有一透氣撐立部,該透氣撐立部係包含有數個概略垂直於腰帶本體上的撐立肋,該等撐立肋之間係形成有透氣通道者,一固定單元,該固定單元係設於該腰帶本體之兩側,該腰帶本體可將兩端的固定單元搭接形成環套固定者,該腰帶本體的膠體可以產生一良好的彈力來給予使用者良好的包覆效果,另外,透氣撐立部的撐立肋可以產生一止滑支撐的效果,給予使用者較佳的撐立效果,同時,撐立肋間的透氣通道可以產生一氣流流通的效果,讓使用者在長時間或溫度較高的環境下仍可保持舒適者。10‧‧‧腰帶本體11‧‧‧透氣撐立部111‧‧‧撐立肋112‧‧‧透氣通道12‧‧‧透氣孔30‧‧‧固定單元31‧‧‧魔鬼氈
