Unisex Small Black Mountain Martial Arts | MMA (Mountain Martial Arts) x Sayama Works Polartec Power Grid Mountain Hoody Jacket. Unisex fleece outerwear jacket/top.
Unisex Small Black Mountain Martial Arts | MMA (Mountain Martial Arts) x Sayama Works Polartec Power Grid Mountain Hoody Jacket. Unisex fleece outerwear jacket/top.
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・Second Gear Stock Code: IT9OYGOCY0VS (Please state this when making inquiries)
Manufacturer: Mountain Martial Arts | MMA
・Suggested retail price: 22,000 yen
■Size information
・Gender/Age: Unisex
・Representative size: S
■ Color
・Catalogue color: Black
Color: Black
■ Condition
Grade: Unused
*Grading guideline
├ New: Our original product
├ Unused: New old stock
├ Used S: Like new
├ Used A: Good condition
├ Used B: Used in good condition
├ Used C: Used and in good working order
└ Used D: Used with normal use difficulties
・Condition details・Notes:
■ Overall condition rating: 10 Unused
■ Measurements and actual values
*All measurements are external dimensions. Please note that there may be some errors due to manual measurements and measurements taken using a simple scale.
Width: 47cm
・Hem width: 47cm
Length: 64cm
・Sleeve length: 89cm
Total weight (including accessories): 290g
■ Catalog specifications
*The following are the specifications published by the manufacturer. We do not guarantee that the descriptions, specifications, accessories, etc., will be completely consistent with the actual product.
■Hood: Power Grid fabric is used on the entire hood. Considering use on windy ridges and snowy mountains, the valaclava design covers the nose. There is a hair hole at the back of the head so that tied hair can be exposed. ■Front body: Mainly made of power grid fabric. Full zip + zipper can be opened from below. The central zipper with streamlined design has a collar opening (with chin guard) at the right cheek, so it doesn't interfere with your mouth. The zipper can be opened from the hem, so it doesn't interfere with climbing harnesses and also functions as a ventilator. ■Lower abdomen to hem: When walking with a backpack on your back, the vibration caused by walking can cause the hem to gradually roll up, which can be a nuisance for climbers. To solve this problem, the lower abdomen to the hem is designed to be longer. Considering that sweat tends to accumulate and that the pants overlap with bottoms, we have adopted a jersey fabric (stretch smooth) that is thinner than Power Grid fabric, has excellent moisture absorption, quick drying, and elasticity, and has been treated with UV protection. ■Back: The back is the same as the front except that it does not have a zipper. ■ Underarm: Tiger camo color (stretch smooth sublimation transfer), a characteristic of MMA. ■Sleeve: Power Grid fabric is used as the main material, and the cuffs are made of the same fabric as the lower abdomen. Thumb holes are also included to prevent wrist burns and prevent wind and snow from entering. There are also watch holes at the cut-off points of both cuffs so that you can wear a watch. ■Name: SAYAMA works Ω and Polartec names are placed under the left armpit. MMA name is on the left sleeve. ■Material: Main: Polartec Power Grid fleece, Hem and cuffs: UV-treated jersey fabric ■ Composition: 93% polyester, 7% polyurethane ■Production: Made in Japan z00039604
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What is Second Gear?
We are a buying and selling store specializing in mountaineering and outdoor equipment, with a physical store located on the border of Mitaka City and Chofu City, Tokyo. Based on our extensive product knowledge, experience cultivated in the field, and data accumulated over many years, we are able to achieve overwhelmingly high prices by conducting careful appraisals and market research that take time and effort. A wide range of products, both used and unused, the latest items, vintage items, and UL garage brands, are arriving every day from all over Japan.
Second Gear Mitaka Higashihachi Store
6-56-19 Jindaiji Kitamachi, Chofu City, Tokyo
・Closed: Tuesday, Wednesday, Saturday
・Business days: Monday, Thursday, Friday, Sunday
・Business hours: Weekdays 15:00-19:00, Sundays 12:30-19:00
*If you are coming by car, please use the nearby paid parking lot.
Media Coverage
Film art cooperation/costume cooperation: You Are Beyond the Summit (starring Sayuri Yoshinaga/Non/Yuki Amami/Koichi Sato, 2025), The Hound of the Baskervilles: Sherlock the Movie (starring Dean Fujioka/Takanori Iwata, 2022), Everest: The Summit of the Gods (starring Junichi Okada/Hiroshi Abe, 2016), etc.
Coverage cooperation: Nihon Keizai Shimbun, Yama to Keikoku, GOOUT, Randonne, Begin, 2nd, Houihnam Unplugged, etc.

















