• Rib knit cuff and hem

With its hardness and rebound

it has successfully withstood the world's hardest serves

The racquet contains Torayca 100% bio-circular carbon fibers in accordance with the mass balance approach

not too tight

Kinvara 14 Mens Size:UK7/US8 • Rib knit cuff andSpeed, pure and simple. Want to hustle harder? Go the distance faster than ever in the new Kinvara 14. Tailored with a light than ever feel, it's got enough PWRRUN foam cushioning and security to handle an extra mile or ten. . FEATURES & BENEFITS PWRRUN foam midsole with PWRRUN+ sock liner helps propel you forward Designed to stand up to consistent wear and tear SPECS Category: Neutral Heel to toe Offset: 4mm (31mm heel 27mm forefoot) Weight: Men's 7.