New Ergowear X4D is out Underwear News Briefs Munsingwear Underwear Freshpair Freshpair.com New Ergowear X4D is out Underwear News Briefs New Ergowear X4D is out Underwear News Briefs New Ergowear X4D is out Underwear News Briefs Munsingwear Underwear Freshpair Freshpair.com. Clean, sporty, and built to breathethis ErgoWear Bikini in olive green. The ergonomic contour pouch gives a supportive lift and a smooth profile, while the minimal waistband keeps it comfortable and low bulk under jeans, shorts, or dress pants. Please refer to size chart to ensure you choose the correct size. Composition: 81% Polyester 19% Elastane. Breathable fabric to keep you cool and dry. Ergonomic pouch stretch fabric for a supportive, stay in place fit. Hand Wash. Do Not Bleach. Do Not Iron. The following video contains no dialogue or narration. Music only. Please use Tab key to play the video.