Denim Trends, Expert Guides & Style Insights | Innblac Blog

Nothing makes a heavyweight T-shirt feel cheaper faster than a curled collar. Even when the fabric is thick and the fit looks premium, poor collar construction can ruin the entire garment after only a few washes. For streetwear brands, collar curling is one of the biggest quality complaints customers notice immediately. This guide explains how manufacturers prevent collar curling in heavyweight custom tees, including rib selection, neckline structure, stitching tension, fabric shrinkage control, and wash testing methods. Whether you’re developing oversized streetwear basics or premium heavyweight collections, these production insights help custom T-shirts keep their shape, structure, and premium appearance over time.