Winter footwear fights volume: sheepskin compresses, snow socks add bulk, and insulated boots often run large so you can wear thick socks. Do not copy one UGG rule onto Sorel Caribou.
| Model | Verdict | Width | Advice |
|---|---|---|---|
| UGG Classic Mini | True to Size Verified | Shearling feels snug new then packs out | True to size; if between sizes size down |
| UGG Classic Short II | True to Size Verified | Shearling volume — snug start is intentional | True to size; if between sizes size down |
| UGG Tasman Slipper | True to Size Partial | Rigid UGGbraid collar — does not pack out like Classic boots; thick socks → round up | TTS; between/wide/thick socks round UP (opposite of Classic) |
| Sorel Caribou | Runs Big Verified | Roomy pac-boot volume; felt liner packs out further | Size down half to a full size (stay closer to TTS only with very thick winter socks) |
| Timberland 6-Inch Premium Boot | Runs Big Verified | Roomy work-boot last | Size down half a size (TTS if wide/thick socks) |
| Blundstone Original 510 | True to Size Partial | Originals firmer across top/toe than Classics | True to size; half up if you need width |
| Doc Martens 1460 8-Eye Boot | Runs Big Verified | Roomy toe box; wide feet may stay closer to usual size | Size down half to full from sneakers |