R.A.D ® SYNTH - Neutral

The R.A.D Synth is a lightweight daily running shoe designed to deliver a smooth, responsive ride across everything from easy miles to faster sessions. Built to feel almost effortless on foot, it's a versatile choice for runners who want one shoe that can handle a wide range of training.

Its SwellFoam™ midsole, combining TPEE with 40% Bio Supercritical EVA, balances cushioning and responsiveness while providing the durability needed for everyday mileage. A 38mm heel stack and 6mm drop create a smooth, natural-feeling platform, while the lightweight 232g construction keeps the shoe feeling quick and agile.

Underneath, the sticky textured rubber outsole features a herringbone pattern for dependable traction, while the engineered mesh upper provides breathability and a secure, comfortable fit.

Key Features

• SwellFoam™ TPEE + 40% Bio Supercritical EVA midsole

• Lightweight 232g construction

• 38mm heel stack

• 6mm heel-to-toe drop

• Breathable engineered mesh upper

• Sticky rubber outsole for reliable traction

• Designed for daily, steady and up-tempo runs

• True to size

Running Bear Ratings

Cushioning: ★★★☆☆
Comfort: ★★★★★
Responsiveness: ★★★★☆
Stability: ★★★★☆
Speed: ★★★★☆
Versatility: ★★★★★

Best for: Daily training, easy runs, steady miles & up-tempo sessions
Best distance: 5K – 10K
Running Bear Verdict: ★★★★★