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The low-profile Backbone Tank A 2.0 delivers comprehensive and safe back coverage with the added bonus of a hydration bag compartment, plus tube routing and velcro fastening straps for secure storage. The back protector is made from ACF foam which is both lightweight and highly shock-absorbent to protect against the worst of slams, while an ergonomic, conformable fit delivers premium security and comfort however hard you ride. 3D Mesh adds breathability for all-day ridablity and customizable, low-profile, padded shoulder straps guarantee that the Backbone Tank A 2.0 fits firmly and comfortably, even when worn under a rucksack. There is also a velcro-sealed storage pocket in the waist belt and an additional open pouch on the back to store lift pass and other bits and bobs needed for sessioning the hill.
Material
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Material
- 55% ACF PU Foam
- 30% Polyester
- 5% Nylon
- 6% EVA
- 4% Rubber
- Pure Softshell construction
- ACF impact foam back protector
- EVA padding on upper back
- EN 1621-2
- Hydration pack ready
- Four cut-outs on back panel for water tube passing
- Water tube loops on shoulder and straps
- Maximum flexibility
- Extremely comfortable
- Temperature steady
- Large coverage
- Slim-Fit
- Breathable 3D Mesh inside back
- Vented construction
- Adjustable waistband with velcro pocket
- Belt loops
- Storage back pocket
- Protector removable
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| Product Type | protection |
| Product Group | body_back |
| Age Group | Adults |
TSG Size Chart
Fit-und-Warm carries TSG Clothing, Gloves and Protectors for women, men and children: bike shirts, pullovers, pants, jackets, gloves and protection. Helmets are not the focus of the current FuW TSG structure and are excluded.
Men's Back Protectors
| Size | Body height (cm) | Torso length (cm) |
|---|---|---|
| XS | 160–165 | 34–38 |
| S | 165–170 | 39–43 |
| M | 170–180 | 44–48 |
| L | 180–185 | 44–48 |
| XL | 185–190 | 49–53 |
Women's Back Protectors
| Size | Body height (cm) | Torso length (cm) |
|---|---|---|
| XS | 150–160 | 34–38 |
| S | 160–165 | 34–38 |
| M | 165–170 | 39–43 |
| L | 170–175 | 39–43 |
| XL | 175–180 | 44–48 |
Youth Back Protectors
| Size | Body height (cm) | Torso length (cm) |
|---|---|---|
| JXXS | 110–120 | 26–30 |
| JXS | 120–140 | 31–35 |
Chest Guard
| Version | Body height | Torso length |
|---|---|---|
| Adult One Size | 160–190 cm | 34–53 cm |
| Youth One Size | 110–140 cm | 26–35 cm |
Knee/Elbow Pads, Gloves and Apparel
TSG uses different measuring points depending on protector. Bike gloves and clothing use model-specific sizing on product pages. No unrelated hand/body measurements are transferred without a clear current brand master chart.
Safety notice: Torso length is particularly important for back protectors. A protector that is too long or short can shift protective zones. Follow the TSG instructions for the specific product.
Assortment check: Fit-und-Warm TSG brand page. Manufacturer sources: official TSG Size Guide guidance and back-protector documentation. Research checked on 20 August 2026.