| N | |
| Needle Count | The total number of needles used in knitting stockings. The higher the needle counts the closer the stitches. |
| Negligee | A light sheer lingerie robe or a sheer nightdress with lace trim, usually designed to be revealing |
| Net, Netting | See through cloth that is made of very fine threads woven together so that there are small evenly spaced holes between them. |
| Nightgown, Night Gown | A loose garment or any length, worn as sleepwear. |
| Nightshirt, Night Shirt | A long, loose shirt worn as sleepwear. |
| No Fly | No convenience opening in the front of shorts or pants. |
| Non-Stretch Straps | Non-stretch straps, also known as rigid straps, are usually used for sports bras or full-figured bras. |
| Novelty Underwear | Underwear item that has special, often light-hearted or cute, i.e. shiny satin men's thongs or heart-print boxer shorts. Novelty underwear is sometimes associated with Valentine's Day or other holidays and makes a great sexy gift idea. |
| No-Wire Bra, No Wire Bra | Type of bra with no under wires designed for increased comfort. Some No-Wire bras give light to moderate support, for petite to average figures. Other styles may furnish full support. |
| Nursing Bra | A nursing bra is an extra-support bra that comes with removable flaps on the cups, allowing a new mother to nurse her baby without totally removing her bra. |
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Nylon |
A synthetic fiber that, along with polyester, make underwear fabrics more easily washed and wrinkle-resistant. |