Keen Unisex Work Boots Sizing Guide

Use this guide to find your best fit for Keen Unisex Work Boots.

US Men's Size EU Size UK Size Foot Length (cm)
7 39.5 6 24.4
7.5 40 6.5 24.8
8 40.5 7 25.4
8.5 41 7.5 25.7
9 42 8 26
9.5 42.5 8.5 26.5
10 43 9 27
10.5 44 9.5 27.3
11 44.5 10 27.9
11.5 45 10.5 28.3
12 46 11 28.6
13 47 12 29.4
14 47.5 13 30.2
15 48 14 31
16 48.5 15 31.8
17 49 16 32.6

KEEN's unisex sizes are based on men's measurements. Women should subtract 2 sizes from their usual women's size to find the equivalent men's size. For example, if you're a women's size 8, you'd select a men's size 6.

Keen unisex work boots are designed with a comfort-first sizing philosophy that works for a wide range of foot shapes. Built on standard U.S. sizing, Keen boots offer a roomy, foot-shaped toe box while maintaining a secure fit through the heel and midfoot. This makes Keen unisex work boots a strong choice for long workdays, providing natural foot alignment without sacrificing stability or protection.

Popular styles like the 5" Seattle Romeo CSA Carbon Toe showcase Keen’s focus on practical, jobsite-ready design. These boots feature lightweight carbon toe protection, slip-resistant outsoles, and cushioned footbeds that support all-day wear. The slip-on Romeo style delivers easy on-and-off convenience while still offering the durability and safety features required for demanding work environments.

A common sizing concern with Keen unisex work boots is width. Keen is known for a more generous fit, especially in the toe area, which is ideal for wider feet or those who wear thicker work socks. Most customers find these boots fit true to size, but if you’re between sizes or prefer a snugger fit, sizing down may be an option. At Wei’s Western Wear, Keen unisex work boots are a top pick for workers who value dependable sizing, long-lasting comfort, and trusted jobsite performance.

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