G-Form Knee, Elbow and Shin Pad Review

Armor Pro Reviews

The G-Form company makes protection gear for consumer electronics and extreme athletic endeavors, that makes use of PORON XRD, which is a density changing and impact rate-dependent material. The basis of their product is RPT, which is Reactive Protection Technology, and is a combination of the PORON XRD material and their proprietary G-Form technology. What the product does is stiffens instantly on an impact, and it absorbs over 90% of the energy, providing excellent protection in a lightweight and flexible format. They had a small demonstration at Interbike this year, in which they dropped a bowling ball on some M&Ms that were in cased inside the product, and they survived with very little damage, showing how much energy was dissipated, and protection was provided. The change in durometer of the material during impact is easy to test, and if you slowly poke the material it’s soft, squishy and pliable and leaves an obvious dent, while if you slam it fast and hard, it stiffens up substantially with less penetration.

The G-Form exoskeleton armor comes in three different versions currently, the Knee Pad, the Shin Pad and the Elbow Pad, with each retailing for $49.95. They should hopefully be releasing a compressive shirt and crash shorts; shown above; some time this year? The slip-on armor utilizes an elastic fabric tube, made from a nylon and spandex blend, in which the molded RPT padding is flat stitched onto the material. The top cuff of the tube has a silicone gripper band, which offers adhesion, to prevent the armor from creeping and moving downwards during use. The design mimics a set of arm or knee warmers, and the fabric fits snugly to assist in keeping things in place, and also provides compressive qualities. They come in eight sizes, 2XS, XS, S, M, L, XL, 2XL and 3 XL, so they’ll cover the gamut of body shapes and girths. Their website has detailed sizing charts for each of the versions to make sure you get the appropriate fitting set of armor.


They all share the same sort of segmented pattern for the pads, in the shape of a cross or diamond, with a circular section in the middle, which then radiates outwards with smaller sections and segments, with cutouts and depressions to facilitate flexing, movement and articulation. The knee pad covers a larger surface area, and has a protuberance that extends around the edge of the knee to protect the joint, while the shin and elbow share the exact same shape and size. The knee padding is slightly thicker than the shin and elbow versions, approximately 8mm vs 6mm, respectively. The fabric tube is black, while the padding comes in either basic black or a bright neon yellow color.

Measured Specs:

Size Pad Size Pad Thickness Weight
Shin Pad 11″ x 5″ 8.5″ x 6.5″ 6mm 99 grams
Elbow Pad 13″ x 5″ 8.5″ x 6.5″ 6mm 103 grams
Knee Pad 12″ x 5.5″ 9″ x 8.5″ 8mm 141 grams

 

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About the author: Brian Mullin

Brian has been part of the Mtbr team since 2007, where he has become an integral member of the review and test staff, specializing in technical articles. He likes to push the limits in all the sports he obsesses in, whether it's mountain biking, whitewater kayaking, extreme skiing, or sport climbing. He takes those same strengths and a good dose of insanity to his reviewing and writing on mountain biking products, creating technical, in-depth and hyperbolic articles. Whenever he's not on the bike, he might be found watching MotoGP racing, otherwise look for him out on extremely technical singletrack.


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