Constructed with a military spec 100% cotton Gabardine shell that is both waterproof, windproof and breathable sourced from Switzerland, the Acronym J40-S Light Shell Gabardine Articulated Jacket is their über-technical mid-layer design. Tailored to meet the demands of the urban environment, it is equipped with a removable Jacket Sling system allowing the wearer to safely throw off the jacket at any time and it is finished with a removable front expansion panel.