Please refer to this size chart as a guide only. Please use as an estimate as styles and cuts vary between each individual item/brands and may not be consistent with the size guide measurements. If an item has a detailed size guide, please use that instead.

Measurements are measured in INCHES - FOR U.S. BRANDS

FOR AU/UK BRANDS

FOR SHOES

FOR COOLWAY/MUSSE&CLOUD (EUROPEAN SHOES)

Please contact us at hello@shophearts.com for additional info on specific item(s).

Sienna lace-up sneakers in light blue have lightning-bolt and colorblock details. They fit true to size; see the heel, platform and shaft measurements below.

• Imported
• Shaft Height: 2.5"
• Heel Height: 1.5"
• The front platform:1"
• Types of closures: lace up
• Diameter of shoe opening:9"
• Bottom of the sole: 5.25"
• Model is wearing size 7; usually wears size 7
• True to size

Free U.S. standard shipping on orders $75+.

Orders typically ship within two business days. Friday–Sunday orders generally ship Monday.

View shipping options and details.

Orders placed on or after October 11, 2026 (Pacific Time)
All windows below are measured from your order date.

• Refunds: 21 days. Return shipping is your responsibility.
• Store credit: 30 days. Eligible U.S. returns include a free return label. Request a store-credit return label.
• Exchanges: 30 days. For eligible U.S. exchanges, we cover your return label and shipping of your replacement item. Request an exchange label.

Earlier orders keep their previous policy and shipping terms. The existing holiday return extension is unchanged.

Eligibility: Items must meet our return-condition requirements. Final-sale items and other exclusions apply. Label requests are reviewed by our team; submitting a request does not issue a label automatically. Read the full return and exchange policy.