. . The final piece to your wet weather gear. These boonies are made with an improved 3-layer windproof, waterproof, breathable material to keep you dry and. . comfortable no matter what the weather throws at you. The secret is the high quality, environmentally safe Bemis seam tapes. Seam tape is the critical link. . in the chain of waterproof protection and Bemis is the recognized worldwide technology leader in providing thermoplastic films for a myriad of industrial. . applications.. . Dintex™ inner lining. . Bemis taped seams. . Added loops for extra camouflage or carrying small items. . Adjustable chin strap. . Wide brim. .