# GripGrab 5001 Windproof Thermal Cycling Skull Cap

The GripGrab 5001 is a thin, lightweight thermal skull cap designed to fit beneath a cycling helmet. Its windproof design suits cooler rides, though GripGrab cautions it may not provide enough warmth below freezing.

- [Original product page](https://bargainpostbox.co.uk/product/gripgrab-5001-windproof-thermal-cycling-skull-cap)
- [View offer](https://bargainpostbox.co.uk/visit/gripgrab-5001-windproof-thermal-cycling-skull-cap)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: GripGrab
- Model: 5001
- Category: Fashion & Accessories > Fashion Accessories
- Price: 20.99 GBP
- Previous price: 30.00 GBP
- Discount: 30%
- Price checked: 2026-11-14T19:32:51.434Z
- Rating: 4.5 / 5
- Reviews: 386

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Designed as a thin, lightweight layer for wearing under a cycling helmet.
- Reflective details are present, but the manufacturer recommends the Yellow Hi-Vis version if high visibility is the main priority.
- The manufacturer also suggests it for running, where reflective details are more exposed.

## Pros

- Lightweight construction is intended to sit beneath a cycling helmet.
- Windproof design addresses a common comfort concern on cool rides.
- Customers report comfortable helmet fit and useful warmth in cold autumn and low single-digit temperatures.

## Cons

- The manufacturer says it might not be warm enough for sub-zero conditions.
- Its thin profile may not suit buyers seeking a thicker, more insulating cap.

## Specifications

### Identity
- Brand: GripGrab
- Model: 5001
- Department: Unisex

## Before you buy

- The manufacturer describes the cap as a winter layer but says it may not be warm enough below zero. Temperature comfort is individual, so consider the intended conditions and layering needs before buying.

## A good fit for

- Cyclists wanting a light layer beneath a helmet in cool weather.
- Runners who want a cap with reflective details.

## Less suited to

- Riders needing reliable warmth in sub-zero conditions.
- Buyers seeking a casual-style hat, which the manufacturer does not recommend this design for.

## Customer feedback

Customer feedback highlights comfort, helmet fit, warmth in cold autumn and low single-digit conditions, and wind protection. Some customers describe it as thin, so it may work best as a low-bulk layer rather than a substitute for heavier insulation. Feedback also includes mixed views about value. The favourable overall rating is useful context, but it does not establish how the cap will perform for a particular rider or in freezing weather.
- Positive themes: Customers describe the cap as comfortable and report that it fits under a helmet.
- Positive themes: Customers mention warmth in cold autumn and low single-digit temperatures, along with wind protection.
- Mixed feedback: Opinions about the cap's thinness are mixed.
- Mixed feedback: Customer views about value for money are mixed.

## Frequently asked questions

### Will the GripGrab 5001 fit under a cycling helmet?
It is designed as a thin, lightweight layer to be worn beneath a cycling helmet. Actual fit can depend on the helmet and wearer.
### Is it suitable for below-freezing rides?
The manufacturer says it might not be warm enough for sub-zero conditions. Temperature perception varies, so consider your conditions and other layers.
### Can I wear it for running?
Yes. The manufacturer says it can be used for running, where its reflective details will be more exposed.
### Is this cap intended for casual wear?
The manufacturer does not recommend it for casual wear, describing its design as intended for use beneath a cycling helmet.

## Alternative options

- [ROTTO Cycling Skull Cap Helmet Liner Fleece-Lined with Ears Covers and Glasses Slots for Cycling Running Hiking Skiing](https://bargainpostbox.co.uk/visit/gripgrab-5001-windproof-thermal-cycling-skull-cap)
- [GripGrab Aviator Windproof Winter Cycling Skull Cap Under-Helmet Fleece Hat](https://bargainpostbox.co.uk/visit/gripgrab-5001-windproof-thermal-cycling-skull-cap)
- [GripGrab Thermal Winter Cycling Skull Cap Thin Breathable Under Helmet Hat](https://bargainpostbox.co.uk/visit/gripgrab-5001-windproof-thermal-cycling-skull-cap)
- [HIKENTURE Winter Skull Cap, Windproof Helmet Liner for Men Women \| Thermal beanie fits under helmets and glasses for men, women cycling, running, hiking, and skiing in cold windy conditions](https://bargainpostbox.co.uk/visit/gripgrab-5001-windproof-thermal-cycling-skull-cap)
- [GORE WEAR Unisex C3 Gore Windstopper Helmet Cap Head](https://bargainpostbox.co.uk/visit/gripgrab-5001-windproof-thermal-cycling-skull-cap)
- [flintronic Winter Skull Cap Beanie, Cycling Caps Unisex with Windproof Thermal Fleece, Breathable Bicycle Hat Motorcycle Helmet Liner with Ear Covers and Glasses for Skiing Running Skating](https://bargainpostbox.co.uk/visit/gripgrab-5001-windproof-thermal-cycling-skull-cap)

## Images

![GripGrab 5001 Windproof Thermal Cycling Skull Cap — 1](https://bargainpostbox.co.uk/i/iA1AzSnoBfd2qBfTk5RVJQ_0y__vDASBoduOCQiDzrDHC0O8wsF_oFfpvHFMh2GJ1RM2Embx0vwwzPaHM5izy9snfgAsXg0y4qVp7A_p6v7hc0jf1YIMhsRB.jpg)

![GripGrab 5001 Windproof Thermal Cycling Skull Cap — 2](https://bargainpostbox.co.uk/i/fnOKcsq5bUs9f8fu86tucAyIC_E8eXaeaQOWKbuMAznfkPxHrLTqc4GepwQsuibu9G-NxRnLhgBUpGyPw_AJaB3QfF-vePkv4kw9oav6OXiZsDoypk0z4OO6.jpg)

![GripGrab 5001 Windproof Thermal Cycling Skull Cap — 3](https://bargainpostbox.co.uk/i/RdDqPdV9c6pdCLSOsuau-kZJSI91_EZqctQOdNm74-BblPS6j9EgTJfa1KH1teV9_C3YjwB4wLN8ooDC136h0rGyABfNfHNygLpWvvOSerwi5O1HOcYGfen0.jpg)

![GripGrab 5001 Windproof Thermal Cycling Skull Cap — 4](https://bargainpostbox.co.uk/i/EMLK7x35VmeRkqbV4b_EB22XSSMCYf4fcT7ZMmp5tF6s8KZxAuHX9GiAv1OakV1KdXSwirNZacFMCWe336QeTnVzb-myhh--L-dKWP3wtwu5Ym6YBVNGxef1.jpg)

![GripGrab 5001 Windproof Thermal Cycling Skull Cap — 5](https://bargainpostbox.co.uk/i/WKEyDY-74bPxM2nPTG6ijiVNBuYgiOdDhkOTb__Hiif3kKwYA6bh4Y_bAvtHzu8mEHKbwL9kEBxIhHRxzEji6hdpnY_iT5lfMW-apixDZAPtVKgv3XHRDOEV.jpg)

![GripGrab 5001 Windproof Thermal Cycling Skull Cap — 6](https://bargainpostbox.co.uk/i/FBMUPrMiQtCWy1biQuDRXIzQLZZL8TVlzZAk03ZajRti1JUhGr3y4rqTgEUVPfDhRBq8O7gB21lz8Fbr42tO7O4I_MNBgj1DsQ97b7UFHpSNexl9eu5XPFGZ.jpg)