Aero oversocks
Spatz Windsock PRO UCI Legal Aero Oversocks
Windsock PRO builds on the race-winning Windsock2 with a new printed internal gripper system that keeps the oversock in place without extra compression, and it was worn by Mathieu van der Poel at Omloop Het Nieuwsblad 2026.
Highlights
Why we rate it
New grip system
Two radial and four vertical 1mm grippers, made from the same material as Spatz grip socks, hold firm with no extra squeeze, and grip harder the faster you go. No more hairspray.
Hem that stays put
Very sticky silicone tape at the hem is combined with a woven-in silicone gripper.
Weatherproof and slippery
A waterproof, stretchy main panel pairs with a highly aerodynamic Lycra leg section, and striated aero fabric follows the ankle without creasing as you pedal.
Tough details
A Kevlar toe resists nicks and tears, heel grippers stop the booties riding up, and a strong Velcro closure tucks behind the cleat.
Wind-tunnel proven
Tested at the SSE Hub wind tunnel, where it recorded a lower average CdA than the Wind Socks it was compared with, with reductions of 0 to -0.0005 across most yaw and speed combinations.
Fit
Sizing
Sized by EU shoe size: S fits EU 38-42, M fits EU 43-45 and L fits EU 46-49.
Tech specs
Specification
Manufacturer specification. Details may change without notice.
Specification
- Main panel
- Waterproof, stretch fabric
- Leg section
- Aerodynamic Lycra
- Ankle
- Striated aero fabric
- Grippers
- 2 radial plus 4 vertical (1mm), silicone hem tape and woven-in silicone, heel grippers
- Toe
- Kevlar reinforced
- Closure
- Velcro behind cleat
- Regulations
- Cut tall to meet UCI length rules
- Sizes
- S (EU 38-42), M (EU 43-45), L (EU 46-49)
Ordering
Available from The Cycle Collective
Available to order through The Cycle Collective in Dorking. For sizing help or availability, call 0203 148 6764 or email hello@thecyclecollective.cc.
Product Information
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Close all zippers before washing
Wash at max 30°C
Hand washing with cold water (or gentle wash cycle)Using mild, high quality detergent
Drip drying in shade, do not machine dry
Avoiding ironing and bleachThe instructions on your garment’s label
Sorting your clothing by color
Avoiding fabric softener.
Our clothing isn’t meant to be dry cleaned and soaking clothing is not ideal
Storage
Unused sealed sachets should be stored inside the box in a well-ventilated, dry place and protected from moisture, heat and direct sunlight. Can be stored for up to 3 years.
Size
Each sachet contains 30g powder.2 x 30g sachets per carton box.
Makes 2x litres of bike cleaner
100% plastic free packaging
Readily biodegradable ingredients
100% water free
Refill your old bottle and help reduce plastic waste
92% saving in packaging compared to 2 x 1L bike cleaner
100% environmentally friendly ingredients, including plant based raw materials
Supplied in a compostable sachet and printed with vegetable inks
FSC recycled card box containing 2 x sachets – that makes 2L of bike cleaner
Safe on all parts and surfaces including carbon fibre
Will not harm seals, cables, disc brake pads or rotors
Alkaline based and free from alcohol, CFCs, EDTA, solvents or acids
Vegan & vegetarian friendlyCruelty free, not tested on animals
Sachet Instructions
1. Grab your empty old bottle of Muc-Off. (You may need a pair of adjustable pliers to remove the trigger from the bottle). Or purchase our Bottle for Life.
2. Fill up to the shoulders of the bottle with 1 litre of lukewarm water for faster formula activation!
3. Carefully cut one corner of the sachet open along the diagonal cut lines.
4. You can carefully pour the sachet straight into the top of the bottle. Or using the box, fold the inside of the lid together using the printed lines as a guide and use this as a funnel to pour the powder into your bottle. (Please see our video for full instructions on this.
5. Screw your spray trigger back onto the top of the bottle. Ensure it’s tight!
6. Shake the bottle vigorously for 30-60 seconds to activate the formula. If you notice any undissolved powder simply keep shakin’ it!
7. Go clean that filthy bike!
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