Fitflop Fitflop Gem Trim Bts Ld54. ERGONOMIC - Ergonomically engineered to help optimize your body's alignment, natural movement & energy. CUSHIONING - Light pressure-diffusing Microwobbleboard midsole, triple-density cushioning follows 3 footstep stages (firm heel/soft middle/medium at toes). DESIGNED FOR COMFORT - Natural arch support. STEADY GRIP - Slip-resistant rubber outsole with grip suited to everyday use. STANDARD WIDTH FIT - This style has a standard width fit.