Jackal II is a model dedicated to the world of Ultra races and long distance training

a P-Tex race base

Wool ensures a healthy microclimate for the skin

Minimalism

If offers lots of cushioning

castelli endurance cap Size:ONE SIZE Jackal II is a modelCastelli Endurance Cap. Here's your traditional cotton cycling cap done right. The fabric is piece dyed for a rich depth of color that won't degrade after a few washes. It has a center stripe as tradition dictates, but in a tasteful tone on tone coloring. A small scorpion and Castelli wordmark on the side show that you know your cycling heritage. FEATURES Traditional cycling cap Piece dyed cotton twill fabric Tone on tone webbing stripe Discreet