Alpinestars - Tech Coolmax Socks K-Type-Underwear the KS40 dimensions comply with

the KS40 dimensions comply with all airline carry-on size regulations

Drop In Pressure (20 PSIG): 1

Velcro Adjustment At Cuff

Durable waterproof design keeps out rain

Replaces (OEM part): 85221R

Alpinestars - Tech Coolmax Socks K-Type-Underwear the KS40 dimensions comply withFeatures Constructed from technical Coolmax material to keep feet cool and dry Elasticated cuff prevents slippage and reduces material bunching Arch support band for improved performance fit and comfort Density cushioning on heel, toe, insole, Achilles area and shin for comfort and durability Knee length sizing for maximum coverage Anti bacterial, non odorous