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Omm, a British mountain running brand named after the initials of "Original Mountain Marathon," has a history of developing apparel and gear specifically for use in the Original Mountain Marathon, an endurance mountain race that began in 1968. Omm specializes in lightweight, highly functional items designed to withstand harsh weather and long periods of activity. Omm's designs balance ease of movement with waterproof, windproof, and breathable performance for mountain running. All of its running packs, rainwear, and insulation are designed backwards from the perspective of races and fastpacking. Signature items include the highly stretchable waterproof softshell "Kamleika Jacket," the lightweight yet comfortable "Classic Pack" running pack series, and the "Core" and "Mountain Core Smock" insulations, ideal for keeping warm on the move. This page offers used Omm rainwear, insulation, running packs, and pants.
¥3,639
Original retail price
¥4,730
¥12,499
Original retail price
¥23,100
¥10,499
Original retail price
¥17,930
¥12,499
Original retail price
¥20,900
¥12,499
Original retail price
¥24,200
![[Women's XS, Purple] Omm Rotor Vest, synthetic down, wear, top, vest, synthetic insulation, PrimaLoft Gold Insulation z00059760, synthetic insulation vest top](http://shop.2ndgear.jp/cdn/shop/files/WtKMawRNnuJzSarq86PoRxLBd5s16Dcv5QbxCtIN.jpg?v=1783087609&width=360)
![[Women's XS, Purple] Omm Rotor Vest, synthetic down, wear, top, vest, synthetic insulation, PrimaLoft Gold Insulation z00059760, synthetic insulation vest top - 0](http://shop.2ndgear.jp/cdn/shop/files/ma2jFp5HiAeDOJpOvh8GTJAO61oTOJqChwcpwzfE.jpg?v=1783087611&width=360)
¥10,399
Original retail price
¥17,600
![[Men's S Black Series] Omm Kamleika Pant Wear Bottoms Long Pants Rain Shell z00059103 Rain Shell Long Pants Bottoms Wear](http://shop.2ndgear.jp/cdn/shop/files/bxLrtLmjum2ECqHJeM5Om2XI7ribyLrfz9mHzEmb.jpg?v=1782486388&width=360)
![[Men's S Black Series] Omm Kamleika Pant Wear Bottoms Long Pants Rain Shell z00059103 Rain Shell Long Pants Bottoms Wear - 0](http://shop.2ndgear.jp/cdn/shop/files/qK4EUyLstoRwTQ3ZsqJ2YdDmcjLSgEUYwxKakQe5.jpg?v=1782486390&width=360)
¥12,499
Original retail price
¥23,100
¥18,499
Original retail price
¥36,300
¥3,319
Original retail price
¥4,620
![[OneSize Black Series] Omm Phantom 20 Nylon Bag Storage Backpack Daypack Capacity [~29L] z00059089 Daypack Capacity [~29L] Backpack Bag Storage](http://shop.2ndgear.jp/cdn/shop/files/Lu9vEZ7mjtjAVxQYG59ZTnoaVYArhZWUi92gFPl8.jpg?v=1781099516&width=360)
![[OneSize Black Series] Omm Phantom 20 Nylon Bag Storage Backpack Daypack Capacity [~29L] z00059089 Daypack Capacity [~29L] Backpack Bag Storage - 0](http://shop.2ndgear.jp/cdn/shop/files/l10b5MWJhpqmcn0d7R39M5wAJtL9VndQ1rCns04H.jpg?v=1781099519&width=360)
¥13,499
Original retail price
¥26,400
![【OneSize Blue】 Omm Classic 32 Blue/Black Nylon Bag Storage Backpack Capacity [30L-54L] z00058534 Blue/Black Capacity [30L-54L] Backpack](http://shop.2ndgear.jp/cdn/shop/files/W4fysKVmHPWRB1aoZRkEzBxDe0QjOli2NPOnpFBe.jpg?v=1780666368&width=360)
![【OneSize Blue】 Omm Classic 32 Blue/Black Nylon Bag Storage Backpack Capacity [30L-54L] z00058534 Blue/Black Capacity [30L-54L] Backpack - 0](http://shop.2ndgear.jp/cdn/shop/files/vkjfD9NSzR5M20uv4uxYNfSty4kyntLDW9vRKfGR.jpg?v=1780666369&width=360)
¥7,999
Original retail price
¥17,050
![[M/L Black] Omm Arm Warm Cover Polyester Wear Wear Accessories Arm Cover z00057816 Arm Cover Wear Accessories Wear](http://shop.2ndgear.jp/cdn/shop/files/nIMOGJb24jIpLldQVAAvPPJP5WZsCFxL6TcGu4cJ.jpg?v=1778244236&width=360)
![[M/L Black] Omm Arm Warm Cover Polyester Wear Wear Accessories Arm Cover z00057816 Arm Cover Wear Accessories Wear - 0](http://shop.2ndgear.jp/cdn/shop/files/0dAcWxVMFpYFqayuRXPN4qGucEeWiURjXD9BWS5F.jpg?v=1778244238&width=360)
¥3,199
¥9,499
Original retail price
¥14,850
¥32,999
Original retail price
¥45,100
¥14,499
Original retail price
¥24,200
![[Men's M Black] Omm Sonic Shorts Polyester Wear Bottoms Shorts Short Pants z00051293 Shorts Short Pants Bottoms Wear - 0](http://shop.2ndgear.jp/cdn/shop/files/gy4Z3rLXqb5LzapRv1TcygiyyE67l8EsArkm4M5H.jpg?v=1794595333&width=360)
¥3,999
Original retail price
¥8,250
![[One Size Purple] Omm Classic 25 Nylon Bag Storage Backpack Daypack Capacity [up to 29L] z00051173 Daypack Capacity [up to 29L] Backpack Bag Storage - 0](http://shop.2ndgear.jp/cdn/shop/files/WStB4qx9jTH3V9BrszxdDgHLCVWLuDZzWRQWnqqX.jpg?v=1794593253&width=360)
¥9,699
Original retail price
¥17,050
![[Women's S Purple] Omm Halo Jacket Nylon Wear Tops Outerwear Jacket Rain Shell z00050693 Rain Shell Outerwear Jacket Tops Wear - 0](http://shop.2ndgear.jp/cdn/shop/files/VBEHVljoFjLsNQlIKNbAM6m33yLAkBp4ki6T4CNJ.jpg?v=1794590727&width=360)
¥6,099
Original retail price
¥20,900
![[One Size Gray] Omm Ultra 15 Nylon Bag Storage Backpack Daypack Capacity [Up to 29L] z00050269 Daypack Capacity [Up to 29L] Backpack Bag Storage - 0](http://shop.2ndgear.jp/cdn/shop/files/9eq2cDpfHdM7IRlYMRMoUeSiAeHAKLJ10awPVOZT.jpg?v=1794589280&width=360)
¥8,499
Original retail price
¥13,200
![[One Size Black] Omm Classic 25 Nylon Daypack Capacity [Up to 29L] Backpack Bag Storage - 0](http://shop.2ndgear.jp/cdn/shop/files/dsVHkNhi72xHkH6QsQkumqCrv3PHvsf7HITvZgl2.jpg?v=1794589227&width=360)
¥11,499
Original retail price
¥17,050
¥18,499
![[Men's M Yellow] Omm Cool Short Sleeve Shirt Polyester Men's Synthetic Fiber Short Sleeve T-Shirt Crew Neck Inner Shirt Tops Wear - 0](http://shop.2ndgear.jp/cdn/shop/files/aGKy2rI11lctrhr66VgweHVreuwM0vlO6zKEqrnh.jpg?v=1794588475&width=360)
¥2,999
¥11,999
Original retail price
¥23,100
![[Men's M Blue] Omm Kamleika Race Smock II Polyester OC03600 International Men's Rain Shell Outer Jacket Tops Wear - 0](http://shop.2ndgear.jp/cdn/shop/files/zQeTz7xiNIeNXBlFc30q0JRrZiMaSu9pDudN6nQl.jpg?v=1794585684&width=360)
¥17,499
Original retail price
¥30,800