Thick socks & orthotics

Stack height and toebox volume matter as much as labeled size. Trail shoes, boots, and knit runners often need a half size up when you add hiking socks or an aftermarket insole — lifestyle sneakers less so.

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• Crocs Classic Clog — True to size in length; size down if narrow or want secure
• Crocs Echo Clog — True to size; size down only if between and prefer secure
• Adidas Samba OG — True to size length; half up if wide feet
• Adidas Ultraboost 1.0 — True to size; half up if wide feet or thick socks
• Nike Vomero 5 — True to size
• UGG Classic Mini — True to size; if between sizes size down
• UGG Classic Short II — True to size; if between sizes size down
• UGG Tasman Slipper — TTS; between/wide/thick socks round UP (opposite of Classic)
• Salomon XT-6 — TTS length for narrow/average trail fit; half up for wide feet, thick socks, or lifestyle comfort
• Salomon Speedcross 6 — Half up vs casual shoes; TTS (or half down) only for race lockdown
• Vans Authentic — True to size; half up if wide
• Timberland 6-Inch Premium Boot — Size down half a size (TTS if wide/thick socks)
• Hoka Bondi 8 — TTS for Hoka runners; half up for socks/swell — use Wide not length for width
• On Cloudmonster — TTS default; half up for wide feet, thick socks, or long-run swell
• Asics Gel-Kayano 31 — True to size with correct width
• Asics Gel-1130 — True to size
• Skechers Go Walk 6 — True to size
• Brooks Ghost 16 — True to size — use Brooks widths if you need them

Socks & fit · Between sizes