extremely breathable, due to the use of CORDURA^® Air material | ventilation with zipper on arms and back | GORE-TEX inside jacket can also be worn as rain jacket over the outside jacket | GORE-TEX inside jacket fitted with neon-yellow reflective material and connecting zip to membrane inside pants CARGO II | strech insert in the back shoulder area | material reinforcement on shoulder and elbow | waterproof grab bag aLOKSAK included | preparation for chest protector | distance control | tank protection | connector zip