A new reproduction of the Strap, shoulder, haversack, W.E. Patt. 37, left, and Strap, shoulder, haversack, W.E. Patt. 37, right. Haversack straps are often referred to as "L-straps." Made of heavy duty Khaki webbing. Both sides have the cross-over loop at the rear. Fully adjustible like the originals. You get a pair, left and right! New and unused.