Technical Glossary — Footwear

Technical Glossary — Footwear

All technical terms related to outdoor footwear, listed alphabetically.

Barefoot / Zero Drop
Footwear concept imitating barefoot walking. Zero drop means there is no height difference between the heel and the forefoot, promoting a natural stride.
Durable Leather
Natural material offering durability and natural waterproofing. Requires regular maintenance (polishing, waterproofing).
Flyknit
Knitting technology for a one-piece shoe upper. Lightweight, breathable, and conforms to the foot's shape.
Reinforced Grip / Non-slip
Sole surface increasing grip on slippery terrain (mud, wet rock, snow).
Quick Lacing with Reinforced Eyelets
Lacing system optimized for quick and uniform tightening, with wear-resistant eyelets.
Breathable Mesh
Synthetic mesh used in the upper to promote air circulation and reduce foot perspiration.
Proprioception
Deep sensitivity of the foot to the terrain. Minimalist shoes promote proprioception for better balance and stability.
Synthetic Reinforcements
Reinforced areas on exposed parts of the shoe (toe, heel) to increase durability against abrasion.
Removable Insole
Extractable inner sole, replaceable or customizable with custom orthopedic insoles.
Multi-terrain Sole
Sole with deep lugs for grip on different types of ground (earth, rock, mud, snow).
Mid-cut Upper
Shoe height reaching the ankle for intermediate support. A compromise between lightness (low-cut) and protection (high-cut).
TPU (sole)
Thermoplastic polyurethane used for outsoles. Abrasion-resistant and flexible in cold weather.