New Balance Calibre offers everything you expect from your work boot. Comfort is supplied through the NB Comfort Insert and durability via the rubber outsole. With a premium nubuck leather upper, NDure abrasion resistant collar and Toe Protect, your feet will feel supported all day long. Debris Free construction ensures additional protection from the elements with the added benefit of a YKK zipper which will provide easy access moving across site. New Balance Calibre will be your ultimate worksite companion.
New Balance Calibre offers everything you expect from your work boot. Comfort is supplied through the NB Comfort Insert and durability via the rubber outsole. With a premium nubuck leather upper, NDure abrasion resistant collar and Toe Protect, your feet will feel supported all day long. Debris Free construction ensures additional protection from the elements with the added benefit of a YKK zipper which will provide easy access moving across site. New Balance Calibre will be your ultimate worksite companion.
New Balance Calibre offers everything you expect from your work boot. Comfort is supplied through the NB Comfort Insert and durability via the rubber outsole. With a premium nubuck leather upper, NDure abrasion resistant collar and Toe Protect, your feet will feel supported all day long. Debris Free construction ensures additional protection from the elements with the added benefit of a YKK zipper which will provide easy access moving across site. New Balance Calibre will be your ultimate worksite companion.
New Balance Calibre offers everything you expect from your work boot. Comfort is supplied through the NB Comfort Insert and durability via the rubber outsole. With a premium nubuck leather upper, NDure abrasion resistant collar and Toe Protect, your feet will feel supported all day long. Debris Free construction ensures additional protection from the elements with the added benefit of a YKK zipper which will provide easy access moving across site. New Balance Calibre will be your ultimate worksite companion.
Last updated at 05/10/2026 12:32:11
New Balance Calibre Mens Leather Composite Toe 4E Extra Wide Boots - 8 US / Black
30-day returns
New Balance MIDCLBRE Calibre Mid Cut - 4E US 8 / Black
Free delivery
New Balance Calibre Zip Side 4E Safety Boot - Black 8 US (7.5 UK)
Free delivery between Mon – Tue
New Balance Industrial Calibre Work Boot Black 4E X-Wide MIDCLBRE4E Black / UK 7.5
Delivery between 14–22 May $14.95
| Variant | |
| size | 7 AU/UK (8 US) |
New Balance Calibre Mens Leather Composite Toe 4E Extra Wide Boots - 8 US / Black
30-day returns
New Balance MIDCLBRE Calibre Mid Cut - 4E US 8 / Black
Free delivery
New Balance Calibre Zip Side 4E Safety Boot - Black 8 US (7.5 UK)
Free delivery between Mon – Tue
New Balance Industrial Calibre Work Boot Black 4E X-Wide MIDCLBRE4E Black / UK 7.5
Delivery between 14–22 May $14.95
| Variant | |
| size | 7 AU/UK (8 US) |
