Caterpillar 6" Transition Composite Toe Work Boots. Comfort PLUS protection for the everyday grind! Shift into a whole other level of comfort performance! Featuring a lightweight composite toe and loads of comfort inside, Transition Work Boots will feel as good on your feet at the end of a long shift as they do when you first put 'em on. Work smarter: Full-grain leather or nubuck (depending on color) uppers; Composite toe provides sturdy-but-lightweight protection; Flexion engineered construction makes for a lighter, more shock-absorbing fit that works with your foot's natural movement; Moisture-wicking mesh lining; Nylex + EVA insole and PU molded midsole provide cushioning and support.