Robot-Built Running Shoes

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LightSpray Cloudmonster 3 Hyper Uses Automated Spray-On Upper

— March 1, 2026 — Fashion
The new LightSpray Cloudmonster 3 Hyper is a performance running shoe from Swiss brand On that uses robotic manufacturing to form its upper in a continuous process. A robotic arm sprays a single filament of material onto a foot-shaped mold, creating a seamless upper in about three minutes without seams, laces, or glue and bonding it directly to the midsole through thermal fusing. The shoe is constructed from just eight components, a significant reduction compared with typical running shoes that are assembled from dozens of pieces.

The design pairs the sprayed upper with a thick Helion HF hyper-foam midsole set on CloudTec cushioning geometry to provide light support for long runs. Weighing about 205 grams for a men’s size US 8.5, the shoe is lighter than the standard Cloudmonster 3 model.

Image Credit: On
Trend Themes
1. Robotic Spray Manufacturing - Robotic arms that spray continuous filaments onto molds are enabling rapid, low-waste production of complex soft goods with precise material placement.
2. Seamless Single-piece Uppers - A move toward one-piece, seam-free uppers bonded directly to midsoles is reducing part counts and altering traditional assembly workflows in performance footwear.
3. Component Minimalism in Footwear - Designs that pare shoes down to a handful of multifunctional components are simplifying supply chains and shifting value toward material and process innovation.
Industry Implications
1. Athletic Footwear - Performance shoe brands are positioned to benefit from manufacturing methods that deliver lighter, more integrated designs and shorter production lead times.
2. Apparel Manufacturing - Clothing and soft-goods producers can leverage spray-based fabrication to create seamless garments and accessories with novel material properties.
3. Industrial Robotics - Manufacturing robotics providers can expand into specialized end-effectors and process control systems tailored to precise deposition of polymer filaments onto three-dimensional forms.
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