Alpinestars Cascade Leg Warmer   With a convenient slip-on design and constructed from a four-way poly-stretch fabric, the Cascade Leg Warmer incorporates foam and PU paWith a convenient slip-on design and constructed from a four-way poly-stretch fabric, the Cascade Leg Warmer incorporates foam and PU panel reinforcements in its asymmetric design for precise anatomical fit, comfort and abrasion resistance.   CONSTRUCTION • Slip-on design leg warmer with micro-fleece interior for excellent thermal capabilities. • Advanced four-way poly-stretch material ensures effective performance fit. • Strategically positioned viscoelastic foam and abrasion-resistant PU panels helps cushion impact. • Asymmetric, pre-shaped design optimal left/right comfort fit. • Jacquard elastic top hem and PU taped bottom helps keeps arm warmer in position and maintain skin contact.nel reinforcements in its asymmetric design for precise anatomical fit, comfort and abrasion resistance.