Guides
Cap size 63 cm: the complete fit guide (2026)
A 63 cm cap measures 63 cm around the inside band — the upper edge of Head of Wonder's XL fit (60–63 cm). Here's how to choose.
Cap size 63 cm: the complete fit guide (2026)
A 63 cm cap measures 63 cm around the inside band — the upper edge of Head of Wonder's XL fit (60–63 cm). Here's how to choose.
Caps for Big Heads: The 2026 Buyer's Guide
A 2026 guide to caps for big heads. XL sizing for 60–63 cm, four styles, and what to check before you buy — from Head of Wonder.
Caps for Big Heads: The 2026 Buyer's Guide
A 2026 guide to caps for big heads. XL sizing for 60–63 cm, four styles, and what to check before you buy — from Head of Wonder.
62 cm cap: the complete sizing guide (2026)
A 62 cm cap fits head circumferences from 60 to 63 cm. Our XL is built around 61 cm. A sizing, style and measuring guide from Head of Wonder.
62 cm cap: the complete sizing guide (2026)
A 62 cm cap fits head circumferences from 60 to 63 cm. Our XL is built around 61 cm. A sizing, style and measuring guide from Head of Wonder.