X-Bionic Moto Energizer Summerlight Pants Long Charcoal- Perl Grey Features: Two-Step Front 3D Bionicsphere system, ISO Calfpad (TM) anatomically adjusted, ExpansionKnee (TM) XXL, Airconditioning Channel, InsulationPads (TM) on the thigh, 3D Bionicsphere system on the coccyx, Innerlap Airconditioning-Zone (TM), Airconditionspot (TM), Airguides (TM), ActiveBound on the leg, Air Duct (TM) Pads on the thigh, Air Duct (TM) Protection Materlial Technische Komposition 73 % Polyamid 9 % Elastan 18 % Polypropylen