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The 7L Craftsmanship

7L know-how is reflected in the hundreds of steps involved in the construction of our shoes. Today, we're highlighting this process, through a series of steps that reflect our attention to detail, to bring you shoes that stand the test of time.

The choice of leather

A crucial step

It takes place well before the construction of the shoe, but it's one that equally contributes to its longevity.

Indeed, for a shoe to stand the test of time, it is essential to choose quality leather and pay attention to small imperfections that could affect the durability of a shoe.

The lining leather should not be neglected either, as this is where foot perspiration takes effect.

Great attention to detail

is also applied before cutting the leather, as even excellent quality leather can have imperfections. This gesture allows evaluation of the leather's density and flexibility, thus avoiding leather that:

  • Stretches or deforms quickly
  • Shows irregular creases
  • Is less resistant to repeated friction and folding

The Tannery

Aware that not all leathers are equal, we pay particular attention to their selection, which is why we have chosen to work only with European Houses known for their expertise and heritage. Among them are Weinheimer Leder (Germany), Stead (England), Tanneries du Puy (France), and Biessuno (Italy).

Technical note

A hollow leather is leather whose internal structure is weak, often due to poor density

LA COUTURE MAIN

Un geste rare au savoir-faire ancien

The sewing of our shoe uppers is of particular importance. We have chosen to preserve an ancient know-how by offering entirely hand-made sewing.

We employ two distinct hand-sewing techniques performed by artisans: the double-needle hand-stitching, that you can ind on the Ivy and Classic Moc as well as on the Gatsby and Edmond, and the pinched double-needle hand stitching, featured on the Nicodème and Vadillo.

Both techniques reflect our commitment to preserving disappearing traditions. Not only is the stitching much stronger, but it also adds a unique touch to each loafer through its irregularities.

Double-needle hand-stitching

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Pinched double-needle hand stitching

uses a single piece of leather, pinched to create an emboss effect:

  • Also uses two needles
  • Use only a single leather piece
  • Leather is pinched for an emboss effect
  • Decorative technique adding character and depth to shoes
LA MISE SUR FORME

Épouser parfaitement les formes

Once the upper is assembled, the shoe is still shapeless. It now needs to be given its final volume. The last, once made of wood and now mostly plastic, is an exact replica of the shoe’s internal volume. By placing the upper onto this last, the leather is stretched under the action of a machine, allowing it to perfectly conform to its contours and then give the shoe its shape.

The upper is first positioned on the last along with the insole, then a specialized machine applies strong tension to press the leather against the last, eliminating any excess material and preventing unwanted creases.

This is a delicate step, where the leather is first dampened and heated to increase its suppleness and prevent it from cracking under the force of the machine.

At Septième Largeur, we have developed an extensive range of lasts, divided into two categories: Wide and thin. Each has been designed for specific models, with a focus on comfort and aesthetic balance.