Etape BACKBONE

The Etape SPINE BACKBONE with a patented 4-layer ErgoFlex 4X absorbent foam for maximum protection. Thanks to its elasticity, this foam adapts perfectly to your body and retains this property thanks to the FrostFlex function even at very low temperatures. This provides excellent comfort in all conditions. 3D ventilation material at the back for ideal comfort. Adjustable anatomically shaped shoulder straps made of an elastic material for greater comfort. Adjustable elastic waist drawcord with Velcro Safe for 100% garment protection;