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Sparco MS-4 Mechanics Overalls

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Sparco MS-4 Mechanics overalls. The latest clubmans mechanics overalls from Sparco. These hard-wearing poly-cotton mix overalls are suitable for the hobbyist or professional mechanic alike, as well as for general service crew members or indoor leisure karting type activities. Single colour design with contrasting detailing, with an elasticated lumber panel for improved mobility, reducing tightening when bending over. They feature discreet hip pockets, a covered zipped chest pocket, and a couple of pen/tool sleeves on the left arm. Velcro neck strap and elasticated waistline belt, with a covered zipped main entry. The elasticated sleeve ends, with ankle flaps for easier boot fitment. Available in 4 Colours in 5 sizes to suit most wearers.

Approval:

  • None

Key Features:

  • Reinforced elbows for increased protection
  • Removable knee pads for comfort and protection when kneeling
  • A large elasticated rear lower back panel allows for a close fit with minimum restriction in movement
  • Additional belt loops for holding radios or other equipment

Additional information

Brand

Colour

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Suit Size

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Crew and mechanics wear size guide

Pit and workshop kit is sized on the same ladders as driver kit, so if you already know your race suit or glove size you know this too. The one thing to watch is that overalls come in two systems: Sparco use letters and OMP use the numeric ladder.

Overalls

Sparco MS-4 and MS-5, and the Proban suitLetters, XS to XXL.▼
Letter Equivalent Chest (cm) Waist (cm)
XS 44 / 46 86 – 93 74 – 81
S 48 / 50 94 – 101 82 – 87
M 52 / 54 102 – 109 88 – 97
L 56 / 58 110 – 117 98 – 105
XL 60 / 62 118 – 125 106 – 113
XXL 64 / 66 126 – 133 114 – 121

These are the bands from Sparco’s own body size chart, which is what their letters follow. The OMP Proban race suit is also sold S to XXL and uses the same pattern.

OMP Summer and Blast EvoNumeric, 44 to 64. The same ladder as OMP race suits.▼
Size Chest (cm) Waist (cm) Height (cm)
44 87 – 91 71 – 75 155 – 165
46 91 – 95 75 – 79 158 – 170
48 95 – 99 79 – 83 165 – 175
50 99 – 103 83 – 87 170 – 180
52 103 – 107 87 – 91 170 – 183
54 107 – 111 91 – 95 177 – 187
56 111 – 115 95 – 99 182 – 190
58 115 – 119 99 – 103 185 – 195
60 119 – 123 103 – 107 187 – 198
62 123 – 127 107 – 111 190 – 200
64 127 – 131 111 – 115 190 – 200
Mechanics overalls are meant to be roomierUnlike a race suit, you want room to crouch, reach and kneel in these all day. If you are between two sizes take the larger one, which is the opposite of the advice for a driving suit.

Gloves

Measure around your knuckles, across the widest part of the palm, leaving the thumb out.

Letter Numeric Sparco palm (cm) OMP palm (cm)
XS 8 20.5 – 21.5 20.8 – 21.5
S 9 21.5 – 22.5 21.6 – 22.3
M 10 22.5 – 23.5 22.4 – 23
L 11 23.5 – 24.5 23.1 – 23.7
XL 12 24.5 – 25 23.8 – 24.8
XXL 13 25 – 25.5 24.7 – 25.4

Sparco and OMP agree within half a centimetre throughout. A mechanics glove should be a little looser than a driving glove so you can get it on and off quickly with dirty hands, so if you are on a boundary take the larger.

Shoes

The Sparco Fast and Chrono mechanics shoes use the standard Sparco ladder. Measure heel to longest toe, standing, and work from the bigger foot.

EU UK Foot length
37 4 24.3 cm
38 5 25.0 cm
39 5.5 25.7 cm
40 6.5 26.3 cm
41 7 27.0 cm
42 8 27.7 cm
43 9 28.3 cm
44 9.5 29.0 cm
45 10.5 29.6 cm
46 11 30.3 cm
47 12 31.0 cm
48 13 31.6 cm

The Alpinestars Radar V2 mechanics shoe uses the Alpinestars ladder instead, which carries half sizes Sparco does not: UK 7 is an EU 40.5, UK 9.5 is an EU 43.5 and UK 11 is an EU 45.5. Go by the UK size on that one. It also runs up to UK 14.

Shorts

The Sparco Bermuda cargo shorts run S to XXL on the same letter bands as the overalls above, sized on your waist rather than your chest.

A note on approvals

Some of this category is FIA 8856-2018 approved and some is not. The Sparco Tide Meca and R-Meca gloves, the OMP Pro Mech gloves and the Sparco Fast and Chrono shoes carry the driver-standard approval, which matters if you are working on a refuelling stop. The Workshop EVO gloves, the cargo shorts and the MS-4 and MS-5 overalls are workshop kit. The approval is listed on every product page.

Kitting out a team?Send us the sizes and we will sort the mix. We can usually do better on a full crew order than on the individual pieces. Call 0115 989 3488 or email Sales@GSMPerformance.co.uk.

Sparco bands from sparco-official.com. OMP numeric ladder from their published suit chart. Glove and shoe ladders as verified for our racing glove and racing boot size guides. All checked 2 August 2026.

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