Spyder Lifetime Warranty: Spyder LIFETIME Warranty: Yes, you read correctly. Spyder stands by their product and will warranty any manufacturers defects for the lifespan of the product. Pretty sweet deal.
65% Acrylic Pillex, 33% Nylon, 2% Elastane: The fabric this garment is made out of was made to fit silky smooth, while providing insulation and enough elasticity to stay fitted to your body without slouching. Compared to Spyder's other Kyd's socks, this are slightly thinner.
Seamless Toe : No seams means no irritation, nice and smooth and soft for your toesies.
High Circulation Design: The arch design of this sock, along with the snug fit will keep good circulation throughout your feet, which is crucial to staying warm.
Antimicrobial: A treatment to the fabric to prevent things growing where you don't want them to. And in turn, keeps the stink down.
Flatlock seams: A unique stitching that doesn't add bulk where seams come together.