NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief (28 Only) NIKE SWIM SWIFT II Men's Brief Seams are aligned with fluid flow for increases speed in the water. Nike no-sew leg openings feature bonded elastic fabric that lies smoothly against the skin for increased comfort and minimal drag. Zoned tension technology helps prevent air and water pockets. 70% Polyester / 30% Spandex.