# Interchangeable Training Insoles The Circuit II Cross-Training Shoe Suits Different Activities By Laura McQuarrie | Published 2019-10-25 | Fashion Source: Trend Hunter, https://www.trendhunter.com/trends/training-shoe References: [prnewswire](https://www.prnewswire.com/news-releases/hylete-debuts-circuit-ii-cross-training-shoe-with-three-interchangeable-insoles-300945286.html) & [hylete](https://www.hylete.com/circuit-2-cross-training-shoe-black-cool-gray) The Circuit II Cross-Training Shoe for men from HYLETE boasts a versatile design thanks to three interchangeable insoles. The training shoe is not just suited for running but also weightlifting and [cross-training](https://www.trendhunter.com/trends/nano-x5-edge) when one insole is changed out for another. The three-in-one design of the shoe appeals to [multidisciplinary athletes](https://www.trendhunter.com/trends/selection-of-versatile-shoes), saving them from having to invest in specialty equipment for each pursuit. While the OrthoLite foam inserts provide extra cushioning for running, the inserts for weightlifting create a [barefoot feel](https://www.trendhunter.com/trends/vivobarefoot-motus-strength-ii). The design of the shoe was based on customer feedback collected by HYLETE on its original Cross-Training Shoe. The new and improved design integrates new features like a one-piece engineered mesh fabric upper, plus even more breathability, flexibility and a durable design. ## Trend Insights (Trend Hunter) - Score: 4.7/10 - Popularity: 72% | Activity: 59% | Freshness: 9% - Audience gender: 90% men, 10% women - Primary generations: Millennial - Top markets: North America ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Fashion](https://www.trendhunter.com/fashion) > [Shoes](https://www.trendhunter.com/shoes) ## Key Themes ### Why This Trend Is Growing - **Versatile Training Gear:** Creating gear that can be easily adapted for different activities enhances convenience and eliminates the need for multiple specialized products. - **Multidisciplinary Athletes:** Designing products that cater to athletes who engage in various sports and training activities opens up a unique market segment. - **Customer-driven Design:** Collecting and integrating customer feedback into product design helps create innovative solutions that address specific needs and preferences. ### Industries Being Reshaped - **Sportswear Manufacturing:** Manufacturers can develop new lines of training gear with interchangeable features to attract customers looking for versatile options. - **Fitness Technology:** Developing smart insoles or sensors that can track and analyze performance across different activities can revolutionize the fitness industry. - **Athletic Footwear:** Footwear companies can explore designing shoes with interchangeable insoles to cater to the diverse needs of athletes engaging in various sports. ## Related on Trend Hunter - [Performance-Focused Training Sneakers](https://www.trendhunter.com/trends/cloudpulse.md) - [Performance-Focused Training Shoes](https://www.trendhunter.com/trends/reebok-nano-x5.md) - [Functional Training Shoes](https://www.trendhunter.com/trends/dropset-4.md) - [Treadmill-Targeted Training Sneakers](https://www.trendhunter.com/trends/reebok-floatzig-tread.md) - [Intense Gym Training Sneakers](https://www.trendhunter.com/trends/on-cloudpulse-pro.md) - [Maximalist Technical Training Sneakers](https://www.trendhunter.com/trends/cloudmonster-hyper.md) - [Tire-Inspired Running Shoes](https://www.trendhunter.com/trends/craft-kype-pro.md) - [Adaptable Road-to-Trail Sneakers](https://www.trendhunter.com/trends/nike-pegasus-trail-5.md) - [Ultra-Lightweight Running Shoes](https://www.trendhunter.com/trends/floatzig-2-running-shoes.md)