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Manufacturer's Description

Visit Five Ten's Quantum page.

Retailers' Descriptions

Here's what other sites are saying:

Features of the Five Ten Men's Quantum Climbing Shoe Stealth C4 soles Clarino synthetic Upper Stiff and supportive Midsole Asymmetric last

- Moosejaw

Five Ten worked with professional climbers Alex and Thomas Huber to redesign the classic Quantum Rock Shoes for all-around performance in just about any climbing setting.

- REI

Five Ten's Quantum is even better than ever before. They tweaked the last to fit wider at the ball of the foot, improved the upper with soft and flexible lined Clarino and a perforated tongue, stiffened up the midsole, and even improved the lacing and pull tabs. After nearly a year, the new Quantum is a new dimension in performance.

- CampSaver.com

PRODUCT DETAILS For the redevelopment of the classic Quantum, we worked with the Huber brothers, Alex and Thomas, to develop an all-around performance shoe for any climbing setting. We started with a StealthA(R) C4(TM) outsole, the Hubers tackle a diverse range of climbs with many different angles and rock textures and C4(TM) is our most versatile compound. The shoe has a stiff midsole and lined Clarino synthetic upper, so it stays comfortable for extended periods of wear. The tongue is a perforated ariaprene, which conforms to the foot and provides unmatched breathability. The Quantum is built on a new last; it is slightly downturned and a bit wider than our traditional downturned lasts allowing your foot to sit in a more natural position. KEY FEATURES StealthA(R) C4(TM) rubber outsole (4.2mm) Lined, synthetic Clarino upper No stretch Speed lace closure system Wider last Ariaprene tongue Stiffness Stiff GOOD FOR Steep, overhanging routes Bouldering Long climbing sessions

- Bentgate.com