The SP-X Boa Drystar Boots are crafted with an ergonomically optimized touring design to provide superior comfort during long rides. The waterproof and breathable Drystar® membrane ensures outstanding wet-weather protection, while the rugged, grippy sole is designed for reliable performance in all conditions, both on and off the bike.
- Main upper constructed with a combination of advanced microfiber, knitted mesh and co-injected TPU with Lycra for the optimum blend of comfort, breathability and performance
- Lateral side entry system incorporates BOA Speed Lace System technology for a quick, precise, and secure closure
- Equipped with a Drystar® liner for proven all-weather performance, remaining waterproof while still being highly breathable
- Rubber sole utilizes a special compound that provides textured grip and excellent absorption, and features an integrated support shank for an enhanced sole rigidity
- Sports sole design incorporates a high flex inner structure (lasting insole) for superior walking comfort
- TPU sliders are strategically positioned on the lateral toe-box and on the lateral calf for optimum flexion and protection
- Internal shin reinforcement layered under the upper for impact protection in a critical area
- CE certified to EN 13634:2017
MADE WITH PFAS CHEMICALS
The overall fit/size of this new style seems “true” to their published size chart (see below), so if you are comfortable with a certain size from previous boots, then choose the same size. I’d consider the width of the men’s sizes to be normal to slightly wide (D or E).
| Euro | Men’s US | Women’s US |
| 36 | 3.5 | 5 |
| 37 | 4 | 6 |
| 38 | 5 | 7 |
| 39 | 6 | 8 |
| 40 | 6.5 | 8.5 |
| 41 | 7.5 | 9 |
| 42 | 8 | 10 |
| 43 | 9 | 11 |
| 44 | 9.5 | 11.5 |
| 45 | 10.5 | – |
| 46 | 11.5 | – |
| 47 | 12 | – |
| 48 | 12.5 | – |
| 49 | 13.5 | – |
| 50 | 14.5 | – |





