Mad Rock RedLine Strap

Mad Rock

Mad Rock RedLine Strap

The RedLine Strap is a midsole-free, aggressively downturned velcro shoe from Mad Rock for bouldering and sport climbing. Typically sized at street size. Of 7 user reports, 4 find the forefoot tight. In stock at 1 shop from 119.90 EUR.

Sharp aggressive downturn targets steep boulder problems and overhanging routes with precision power. Science Friction 3.0 with velcro closure and soft feel creates reliable grip and responsive feedback. Versatile fit works across different climbing styles and foot shapes.

Best For

Best for bouldering and sport climbing on overhang and roof terrain. Aimed at advanced to elite climbers.

Among the 469 adult climbing shoes we track, the RedLine Strap ranks in the top 17% for sensitivity, the top 26% for pocket climbing and the top 40% for hooking.

Strengths & Trade-offs

RedLine Strap strengths

  • Downturned shape generates torque on small footholds
  • Open the straps and your feet breathe instantly
  • Rubber works on granite, limestone, and plastic equally
  • No animal-derived materials

RedLine Strap trade-offs

  • Lower durability under heavy use
  • Not a shoe you want to hike to the crag in

How the RedLine Strap fits

Typically sized at street size.

Narrow forefoot - best for narrow to medium feet. Minimal stretch: the Tek Flex synthetic upper holds its shape.

Fit profile: narrow width, low forefoot volume, narrow heel, suits egyptian, greek and roman toe shapes.

Minimal stretch expected; minimal break-in.

How it fit climbers with your foot shape: fit reports from feet like yours.

RedLine Strap fit reports

Based on fit feedback from 7 owners who measured their feet with the climbing-gear.com foot scanner and rated this shoe at the toes, forefoot and heel (tight, perfect or loose).

Typical downsize: +0.0 EU from street size (n=7).

  • Fits best for: no hallux valgus
  • Runs tight for: narrow forefoot, low instep, narrow heel
  • Runs loose for: medium toe length, mild hallux valgus, medium heel depth
  • Toes: 57% perfect (n=7) - 4 perfect, 2 tight, 1 loose. Fits well for no hallux valgus
  • Forefoot: 43% perfect (n=7) - 3 perfect, 4 tight, 0 loose. Mixed signals across foot types.
  • Heel: 29% perfect (n=7) - 2 perfect, 2 tight, 3 loose. Mixed signals across foot types.

Stiffness

Measured stiffness: 0.33 on our 0-1 scale (0 = softest). Among aggressive shoes it sits between the La Sportiva Theory (0.24, softer) and the Tenaya Mastia (0.40, stiffer).

RedLine Strap specifications

BrandMad Rock
ModelRedLine Strap
ClosureVelcro
DownturnAggressive
AsymmetryStrong
Toe PatchMedium
Heel RubberFull
Ankle ProtectionNone
MidsoleNone
Midsole StiffnessNone
RandTensioned
Upper MaterialSynthetic
Weight (pair)510 g (18.0 oz)
Break-inMinimal
RubberScience Friction 3.0 (sole) / Power Upper chain link (toe) / Science Friction R2 (heel rand)
Rubber Thickness4.2mm
Rubber HardnessMedium
DurabilityLow, Moderate
VeganYes
ResoleableNo
KidsNo

What the RedLine Strap costs

Prices checked 15 Oct 2026 at the one shop that currently stocks it. Cheapest current offer: 119.90 EUR at hardloop.de, 23% below the 154.95 EUR list price.

RetailerPrice
hardloop.de119.90 EUR

Prices by size

Cheapest in-stock price per EU size and how many shops list that size, from the EU pool. Updated daily.

EU sizeFromShops
36119.90 EUR1
39.5119.90 EUR1
40119.90 EUR1
41119.90 EUR1
42119.90 EUR1
42.5119.90 EUR1
44119.90 EUR1
44.5119.90 EUR1

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Prices, stock and owner fit data on this page update daily. You are welcome to cite these figures if you name climbing-gear.com and link to this page - see our data terms.