Brand Sizing Guide
Discover how different brands fit and size their products. Get personalized sizing recommendations for your favorite brands to shop with confidence.
Nike
US • Global sportswear and athletic footwear brand
shoes
Men's
Nike men's shoes typically run true to size, but some models like Air Max may run slightly small. Consider sizing up 0.5 for narrow feet.
Women's
Nike women's shoes generally run true to size. Running shoes may run slightly small, consider sizing up 0.5.
clothing
Men's
Nike men's clothing runs true to size. Athletic fit is slightly more fitted than regular fit.
Women's
Nike women's clothing runs true to size. Dri-FIT materials may feel tighter initially.
Adidas
DE • German multinational sportswear corporation
shoes
Men's
Adidas men's shoes typically run small. Most customers need to size up 0.5 to 1 full size.
Women's
Adidas women's shoes run small. Size up 0.5 to 1 full size for most models.
clothing
Men's
Adidas men's clothing runs slightly small. Consider sizing up for looser fit.
Women's
Adidas women's clothing runs small. Size up for comfortable fit.
Zara
ES • Spanish fast fashion retailer
clothing
Men's
Zara men's clothing runs small and fitted. European sizing tends to be smaller than US.
Women's
Zara women's clothing runs very small. European sizing is significantly smaller than US sizing.
shoes
Men's
Zara men's shoes run small. Size up 0.5 to 1 full size.
Women's
Zara women's shoes run small and narrow. Size up 0.5 to 1 full size.
H&M
SE • Swedish fast fashion retailer
clothing
Men's
H&M men's clothing runs small. European sizing differs from US sizing.
Women's
H&M women's clothing runs small. Size up 1-2 sizes from US sizing.
Uniqlo
JP • Japanese casual wear retailer
clothing
Men's
Uniqlo men's clothing runs small as it's based on Asian sizing. Size up 1-2 sizes.
Women's
Uniqlo women's clothing runs very small. Asian sizing is significantly smaller than US.
Levi's
US • American denim and casual wear brand
clothing
Men's
Levi's men's jeans run true to size. Different fits (511, 512, 514) have different sizing.
Women's
Levi's women's jeans sizing varies by style. Classic fits run true to size.
SHEIN
CN • Chinese fast fashion e-commerce platform
clothing
Women's
SHEIN runs very small as it uses Asian sizing. Always check size charts and size up 1-2 sizes.
shoes
Women's
SHEIN shoes run small. Size up 0.5 to 1 full size.
Victoria's Secret
US • American lingerie and beauty retailer
bra
Women's
Victoria's Secret bras run true to size but use their own fitting method. Band sizes may feel tighter.
Calvin Klein
US • American fashion brand
bra
Women's
Calvin Klein bras run true to size. Modern fit styles may feel more fitted.
clothing
Men's
Calvin Klein men's clothing runs true to size. Slim fit styles are more fitted.
Women's
Calvin Klein women's clothing runs true to size.
Smart Shopping Tips
Before You Buy
- Always check the brand's specific size chart
- Read customer reviews for fit feedback
- Consider the brand's country of origin
- Check return and exchange policies
Regional Differences
Asian Brands
Typically run 1-2 sizes smaller than US/EU
European Brands
Often run smaller and more fitted than US brands
US Brands
Generally more consistent with US sizing standards
Related Tools & Guides
Brand Shoe Converter
Convert shoe sizes for Nike, Adidas, New Balance, and other brands.
Shoe Size Converter
Convert shoe sizes between US, UK, EU, CN, and CM standards.
Clothing Size Converter
Convert clothing sizes between international standards.
Nike Size Chart
Detailed Nike shoe size chart and sizing guide.
Adidas Size Chart
Complete Adidas shoe size chart and sizing guide.
Shoe Size Charts
Browse comprehensive shoe size charts by brand.