Part of the Sthlm Collection. The Sthlm Seamless Rib Shorts are made from a blend of recycled polyester and polyamide stretch quality fabric. They have a high waist and a short length with a rib knitted seamless construction. Featuring double fabric at the waist for added support and an signature woven label on the back. Björn Borg. Fit: Classic/ Regular. High waist. 4-way stretch. Avoid fabric softener to make the garment last longer. Quick dry fabric.