NASA

NASA

Official NASA clothing and merchandise celebrating space exploration

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NASA Size Guide

NASA official clothing and merchandise celebrates space exploration with a relaxed, contemporary fit that prioritises comfort for everyday wear and casual occasions. The brand follows standard UK sizing conventions, making it accessible to shoppers across the UK, Europe, and internationally. NASA's sizing tends to be generous; if you find yourself between sizes, the smaller size is often the better choice. Always measure your body and compare your measurements to the specific size chart for the item you wish to purchase, as fit can vary slightly between product types.

How to Measure

  1. Wear minimal, form-fitting clothing or underwear when measuring to ensure accuracy.
  2. Chest: Measure around the fullest part of your chest, keeping the tape parallel to the ground and snug but not tight.
  3. Waist: Measure around your natural waistline, typically the narrowest point between your ribs and hips. Keep the tape comfortably loose.
  4. Hips: Measure around the fullest part of your hips and bottom, ensuring the tape is level and sits naturally.
  5. Take all measurements in the evening, as your body can be slightly larger after a day of activity.
  6. If one side of your body is notably larger than the other, use the larger measurement to ensure the best fit.
  7. Record measurements in both inches and centimetres for easier comparison with international size charts.

Men's Clothing Sizes

Size Label UK US EU Chest (inches) Waist (inches)
S (Small) S S 46 34–36 28–30
M (Medium) M M 48 38–40 32–34
L (Large) L L 50 42–44 36–38
XL (Extra Large) XL XL 52 46–48 40–42

Women's Clothing Sizes

Size Label UK US EU Chest (inches) Waist (inches) Hips (inches)
XS (Extra Small) 6 0–2 32 31–33 24–26 33–35
S (Small) 8 4 36 34–36 27–29 36–38
M (Medium) 12 8 40 37–39 30–32 39–41
L (Large) 16 12 44 40–42 33–35 42–44
XL (Extra Large) 20 16 48 43–45 36–38 45–47

Product-Specific Guidance

T-shirts and Casual Tops
NASA t-shirts and graphic tees offer a standard, relaxed fit. If you prefer a more fitted silhouette, consider sizing down one size. Men's tees run true to size; women's styles are cut slightly narrower through the shoulders and may be shorter in the body. Always check customer reviews, as some styles run larger or smaller depending on the fabric blend.

Hoodies and Sweatshirts
These items are intentionally oversized for comfort and layering. If you prefer a closer fit, choose your typical size; for a looser, more relaxed look, size up. Pay attention to sleeve length, as NASA merchandise can vary in arm length depending on the design. Measure your sleeve from the back of your neck to your wrist for comparison.

Joggers and Trousers
NASA joggers and casual trousers follow standard sizing. Men's styles tend to be cut straight through the leg with a standard rise. Women's trousers are designed with a mid-rise fit. If you are between waist sizes, opt for the smaller size and check the inseam length carefully, as NASA offers various fits (slim, regular, relaxed). Adjust hem length if necessary.

Caps and Hats
Most NASA caps are one-size-fits-most with an adjustable back strap. Check the product description for specific fit information, as some structured caps may have limited size adjustability. Measure your head circumference at the forehead for the most accurate fit.

Sizing Tips

  • NASA sizing follows standard UK conventions, so if you normally wear UK sizes, order your standard size.
  • If you typically purchase US sizes, size up by one to two sizes for an accurate fit.
  • The brand's fit is generally true to size for men's clothing.
  • Women's clothing runs slightly generous through the bust and shoulders; if you have a petite frame, consider sizing down.
  • NASA merchandise tends to be generous overall; when in doubt between two sizes, choose the smaller size for a more tailored appearance.
  • Always measure your body before ordering and compare your measurements directly to the specific size chart for the product you wish to purchase, as fit can vary between different item types and fabric blends.
  • Check customer reviews for style-specific fitting feedback, particularly for graphic tees, hoodies, and novelty items, as construction and fabric composition may affect how each piece fits.
  • For layering purposes, consider sizing up one size in hoodies and sweatshirts if you plan to wear them over other garments.

Sizing Information

General Fit

NASA sizing tends to follow standard UK sizing. However, we recommend checking the specific size chart for each item.

Fit Recommendations

  • Check product-specific size charts when available
  • Read customer reviews for fit feedback
  • Consider the item type (slim fit, regular fit, etc.)
  • When in doubt, contact customer service

Important: This page provides essential and expertly curated size conversion information that should be used in conjunction with the complete interactive tools available at sizechart.uk. For the most accurate size conversions and access to our comprehensive database of brand-specific charts, measurement guides, and real-time conversion tools, please visit the full website. The information presented here represents only a portion of our complete sizing resources and should be evaluated within the context of your specific sizing needs and the brands you're shopping for. It is impossible to determine the anatomical size of a shoe or clothing item without the use of a measuring tape or ruler in conjunction with the size chart.