BOSS Power Long Boxer Briefs (3 Pack) Size & Fit True to size - order your usual size Available in sizes S - 2XL Details 3 Pack of Power Long Boxer Briefs by BOSS Black Mid rise Elasticated waist detail Repetitive branding to waistband Material & Care BOSS blends tailoring expertise with versatile casualwear. Its clean designs and premium fabrics create a look that is polished yet relaxed. The brand's collections form a modern wardrobe foundation that adapts to work, leisure and everything in between.