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You are here: Home / Shop / Climbing / Hex Chock / Hex Chock Patent Crewneck Sweatshirt

Hex Chock Patent Crewneck Sweatshirt

$28.00

See The Story of this design in tab, below.

Our original PatentWear Hex Chock design printed on 8 oz. crewneck sweatshirts. Made of a 50/50 blend of cotton and polyester air-jet spun yarn with a softer feel that also reduces pilling, this classic-fit sweatshirt features double-needle stitched collar, shoulders, armholes, cuffs and waistband, and 1×1 athletic rib knit with spandex for collar, cuffs, and waistband.

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SKU: 146CN Categories: Hex Chock, Climbing Sweatshirts | Unisex, Crewneck Sweatshirts | All
  • The Story
  • Sizing & Fit: Crewneck Sweatshirt
  • Reviews

The Story

For rock climbers, chocks are essential pieces of equipment used to protect against the consequences of a fall. They are a type of device placed into rock cracks as temporary, removable, non-defacing (and thus “clean”) protection while climbing.

The talented duo of Yvon Chouinard and Tom Frost together established some of the classic routes during the Golden Age of Yosemite climbing. Representative of their routes are: West Face of Sentinel, North Face of Quarter Dome, and, as members of the first ascent team, the North American Wall on El Capitan. As founders of Chouinard Equipment Company, Frost and Chouinard brought sophisticated new concepts to a wide range of traditional mountaineering equipment.

The Chouinard/Frost invention of the symmetric hexagonal nut in 1971 as an alternative to pitons was a pivotal point in the transition to clean and passive climbing. In a matter of just three years the Hex (short for the trade name Hexentric®, given to the Chouinard/Frost patent for “polygonal climbing chock” depicted in our PatentWear design) evolved to an exciting and at the time mind-bending asymmetrical pattern that could fit four distinct size ranges all in one device. With typical Frostonian wit, Tom refers to the asymmetrical Hexentric as the “eccentric Hexentric.”

Passive protection in climbing was not new, however. It had begun with the use of stones in cracks in North Wales in 1926 during an ascent of Piggot’s Climb on Clogwyn du’r Arddu. The British had a natural aversion to pitons from a purely ethical viewpoint, and generally frowned upon degrading a climb with either pitons or bolts. The main complement of British gear in the 60s consisted of stones, nuts and chocks with some well-known names like MOAC, Acorn, Spud and Cracker.

The concept of clean climbing was first introduced in Yosemite by Royal Robbins. In 1967, armed with a new set of chocks from Joe Brown in Llanberis, North Wales, he made the first ascent of Nutcracker, sans pitons. His famous 1967 Summit magazine article, “Nuts to You” set the stage for a new era of clean climbing. Tom Frost’s 1972 article, “Preserving the Cracks” further promoted the concept, and the influential Chouinard Equipment Catalog of 1972, featuring Doug Robinson’s magnificent “The Whole Natural Art of Protection,” forever set the philosophy of clean hammerless climbing in stone. It made a strong push for clean climbing in terms of free protection and relying less on pitons hammered in for protection. The combination of all these factors over a short period of about five years revolutionized climbing as it was previously known in the U.S., and perhaps, just in time. With the explosive growth in climbing—from a few thousand enthusiasts to millions in less than a decade—it is frightening to imagine what could have been lost forever with the continual use of destructive pitons by the coming hordes.

1973 was a vanguard year for clean climbing, with two seminal Yosemite ascents in particular. In July, Bruce Carson made a solo, hammerless ascent of the West Face of Sentinel, the first Grade VI to be climbed clean. In the fall, Galen Rowell, Doug Robinson and Dennis Hennek made a clean ascent of the NW Face of Half Dome. A follow-up article in National Geographic a year later—with a front cover photo of Hennek on the pitch above Thank God Ledge—was the catalyst for a whole new generation of climbers to forego pitons whenever possible, and climb clean.

Hex chocks were an important contribution in the transition from an iron era of climbing to one of passive nuts. It wasn’t easy to persuade old-school climbers to give up the use of pitons. The process was gradual, but a younger generation perhaps more open to new ideas was quick to adapt to the use of protection that was both easier and quicker to place and retrieve. More than four decades later the hexagonal design, now lighter and stronger than ever, is still widely popular with climbers today.

NOTE: Although Yvon Chouinard is also named in this patent, his attorney has requested that Chouinard’s signature as one of the inventors—usually included in PatentWear’s designs whenever possible just as they appear on the original patents granted—be eliminated from this design. Out of respect for this inventor, we have complied. Tom Frost, on the other hand, has given us his blessing.

Sizing & Fit: Crewneck Sweatshirt

Here is a sweatshirt that will last for years. It is wonderfully comfortable and works great alone or as an outer layer for cooler environments. The quality material needs no ironing.
Made of a 50/50 blend of cotton and polyester air-jet spun yarn with a softer feel that also reduces pilling, this classic-fit sweatshirt features double-needle stitched collar, shoulders, armholes, cuffs and waistband, and 1×1 athletic rib knit with spandex for collar, cuffs, and waistband.
 

  • 8.0 oz. fabric weight
  • 50/50 cotton/polyester
  • Reduced pilling and softer air-jet spun yarn
  • 1×1 athletic rib knit collar, cuffs and waistband, with spandex
  • Double-needle stitched collar, shoulders, armholes, cuffs and waistband

Crewneck Sweatshirt

If you’re unsure about sizing, the best way to determine a correct size is to grab an existing favorite t-shirt (or sweatshirt), lay it flat, and then measure it.
 
To find the chest size, measure from armpit to armpit. To get the length, measure from neck/shoulder corner intersection to bottom of hem (see illustration). Double the garment width to determine the chest circumference measurement, and you’ll find it will generally fit.
 

USA Sizes: Unisex Crewneck Sweatshirt
1″ = 2.54 cm S M L XL 2XL
Chest (inches) 36 40 44 48 52
Width (inches) 20 22 24 26 28
Length (inches) 26 27 28 29 30

METRIC Sizes: Unisex Crewneck Sweatshirt
2.54 cm = 1″ S M L XL 2XL
Chest (cm) 102 112 122 132 142
Width (cm) 51 56 61 66 71
Length (cm) 66 69 71 74 76

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