A one-piece knit shoe in black that CALTO files under business dress rather than sneakers — knit upper, knit lining, 14 ounces at a US 7.5, on a 1 1/4-inch outer heel over a welted sole.
Highlights
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Welt construction, not cement. Most of CALTO's height-increasing styles are glued; this one is stated as welted, which is the construction that can in principle be taken apart and resoled. On a knit upper it is still worth asking a cobbler before you count on it — but the spec says welt, and that is unusual here.
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One-piece knit upper with a knit lining — breathable and flexible, with no seams to break in. It is also the trade-off: knit will not hold a polish, will not keep rain out the way leather does, and is a long way from a traditional dress shoe however the listing files it.
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The specification never states how the shoe fastens. There is no lace, strap, zip or slip-on entry listed anywhere in it, and the opening copy calls the shape mid-top while the shaft measures 4 3/4 inches — lower than several styles the same range calls low-top. Ask us before ordering if either matters.
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1 1/4-inch outer heel, 4 3/4-inch shaft, 14 ounces at a US 7.5. Only that inch and a quarter is visible at the back of the sole; an integrated insole carries the rest. The specification states no total height figure — the 2.4 inches appears in the product name only, so treat it as unconfirmed.
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US 6 through 13 in whole sizes, standard D / medium only. No half sizes and no E, EE or 4E fitting — though a knit upper is more forgiving about that than a leather one would be.
The X1541 is the odd one out in this group: a knit shoe on a synthetic rubberised sole that CALTO describes as business dressy, where its other knit styles are sold as trainers. Treat it as the office-adjacent option for someone who does not want a leather shoe — breathable, light, and plain enough in black to disappear under trousers. If you want the same knit in an openly sporty shape, the CALTO Q213 is a knit mid-top at 10 ounces. For an actual leather dress shoe, compare the CALTO J1420 loafers, the CALTO J1312 derbies and the CALTO J1200 and J1502, each listed separately with its own specification.
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Black only. US sizes 6 through 13 in standard D / medium width — whole sizes only, no wide fittings. One-piece knit upper, knit inner lining, synthetic rubberised sole, welt construction, double stitched; 1 1/4-inch heel, 4 3/4-inch shaft; 14 ounces based on a US 7.5, with actual weight varying by size. Ships in a CALTO retail shoe box. Imported. No total height-increase measurement appears in the specification — the 2.4 inches is stated only in the product name — and the spec list does not state how the shoe fastens. Care instructions for the knit, the specific country of manufacture and any true-to-size guidance are not published for this style. Contact us if you need any of it confirmed before ordering.
