Summary Retail: 190€ - Availability: sold out - Resell value: 350€ - Size: TTS - Release: 2016 - Verdict: The Nike Special Field Air Force 1 SP is a very limited NikeLab (Tier Zero) release. The olive green upper is made of high quality leather and ballistic cordura material, while sitting on a gum air sole. The high cut resembles army boots and is sporting a hidden small bag within the tongue. The package also included a green carry bag which made this release even more special.