Built With Winter In Mind, Adidas Release The Af 1.3 Primeknit Boot As Part Of Their Exclusive 'Winter Pack'. Sculpted With Winter-Repelling Abilities, The Silhouette Features Weatherproof Membrane Lining, Waterproof Primeknit Uppers That Hugs The Contours Of Your Foot For An Adaptive Fit, As Well As A Hi-Fitting Ortholite Sockliner. The Iteration Takes Cues From Photographers With A Camera-Inspired Tongue And Heel Pull Feature, And The Pair Is Complete With Welded Textile Three Stripe Detailing For A Classic Adidas Finish