Pattern - Thread Theory - Cosmos Trunks Tubular knit ribbing this is a limited-availability material

this is a limited-availability material - we recommend buying sufficient yardage for all your projects at once

The Heather makes sewing outerwear less intimidating while still offering a polished

Beginner-friendly sewing pattern with clear step-by-step instructions

tapered pants with inseam pockets

this fabric is perfect for flowy tops

Pattern - Thread Theory - Cosmos Trunks Tubular knit ribbing this is a limited-availability materialThe Thread Theory Cosmos Trunks sewing pattern is designed for a form fitting, comfortable boxer brief that moves with you. Featuring no center back seam, a reinforced inseam gusset, and a shaped front cup, these trunks fit like a second skin without rubbing or shifting. Short, athletic legs and a smooth elastic waistband create a streamlined silhouette suitable for wearing under slim fit pants, gym shorts, or casual wear. Ideal for creating a