In fact, FitFlop has seemingly thought about everything when it comes to the fit of the Neo-D-Hykers. Underfoot you have anatomically contoured footbeds for maximum comfort, a special lug outsole for extra grip and a ‘Neodynamic midsole’, a super springy layer of cushioning. TPU (Thermoplastic Polyurethane) — a type of plastic that is durable, recyclable and biodegradable in 3 to 5 years — is used for a heel clip (the flared, sticky-out bit at the back) for extra stability when walking on uneven terrain. Testing these out and about running errands in London, for a weekend walk along a stony beach and for a woodland hike, I can safely assure these gave me grip and all-day comfort, even on wet and icy surfaces.