Riding Gear

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    ["description"]=>
    string(10013) "Alpinestars SP-X BOA Boots – Black/Silver
Product Overview
The SP-X BOA is Alpinestars' mid-height sport boot, cut to sit under riding pants rather than over them, and built to be walked in off the bike. Alpinestars aim it at sport and sport-touring riders who want coverage and protection without wearing a full race boot.
The upper mixes microfiber, Alpinestars' soft Rideknit material and knitted mesh, with seamless heat-welded parts. Underneath, a TPU heel counter, a toe slider and Alpinestars' Transversal Protection Frame in the sole are there to resist impacts and stop the boot bending or twisting the wrong way. Entry is through a zip on the inside of the boot, and a BOA dial on the side tightens the fit.
If you want a full-height race boot with replaceable sliders all round, Alpinestars' Supertech R and SMX Plus V2 are the boots in that part of their range.
Key Technology & Design
BOA Fit System with medial zip
A dedicated side BOA dial tightens the boot, and a zip on the inner side of the boot handles getting in and out.
Microfiber, Rideknit and knitted mesh upper
Knitted areas at the front and back flex points give freedom of movement, with microfiber and a Rideknit calf around them.
Transversal Protection Frame
Alpinestars' TPF sits in the sole to protect against impacts and against the boot bending or twisting.
Shin and ankle protection
An integrated shin guard, and dual-density internal protection over the ankle bones.
TPU heel counter, shift pad and toe slider
TPU parts at the heel, over the shift lever area and at the toe.
Walking sole
An Alpinestars rubber sole with an asymmetric heel and a walking roll, which Alpinestars say supports a natural stride and stability off the bike, plus a heel shape for the footpeg.
Cushioned heel and removable footbed
A PU heel midsole with dual heel cushion pads, and a removable footbed.
Lycra and soft TPU front bellow
The front flex zone is Lycra co-injected with soft TPU.
Specs
Certification CE certified to EN 13634:2017 (motorcycle protective footwear)
Height Mid-height, worn under the pant
Upper Advanced microfiber, Rideknit calf, knitted mesh, seamless thermo-welded parts
Closure Side BOA Fit System dial plus medial zip
Shin Integrated shin guard
Ankle Internal dual-density malleolus impact protection
Lower TPU heel counter, TPU shift pad, toe slider, Transversal Protection Frame in the sole
Sole Alpinestars rubber sole, asymmetric heel, walking roll
Comfort PU heel midsole, dual heel cushion pads, removable footbed
Color Black/Silver
Sizes EU 38–48 / US 5–12½
Manufacturer part number 2222024-119
About the certification: EN 13634:2017 sets two performance levels, Level 1 and Level 2. Alpinestars print the level a boot reached on the boot's own label rather than publishing it per model, so read the label inside the boot if the level matters to you.
Size Chart
Alpinestars' own touring-boot chart, which is the chart they give for the SP-X BOA. Measure the longest part of your foot and compare it against the comfort size.
EU — US — JPN — Foot length (comfort size)
38 5 24 24.5 cm / 9.64 in
39 6 25 25.2 cm / 9.92 in
40 6½ 25.5 25.9 cm / 10.19 in
41 7½ 26 26.5 cm / 10.43 in
42 8 26.5 27.2 cm / 10.70 in
43 9 27.5 27.9 cm / 10.98 in
44 9½ 28.5 28.5 cm / 11.22 in
45 10½ 29.5 29.2 cm / 11.49 in
46 11½ 30 29.9 cm / 11.77 in
47 12 30.5 30.5 cm / 12.00 in
48 12½ 31.5 31.2 cm / 12.28 in
Note this is a different chart from Alpinestars' race boots: the comfort sizes run a little longer at the same EU size.
Care Instructions
Alpinestars' guidance for their road footwear: clean dirty boots under running water with a sponge, and do not pressure-wash them. Do not use strong cleaning agents or solvents, which can weaken the materials and damage the colour and finish of the plastic parts. Wipe off surface water with a cloth and lay the boots on their sides to dry naturally. Do not dry them next to a fire or a radiator. Store them fastened, in their box, somewhere well ventilated rather than in a cellar or a plastic bag. Check that the sole still has tread and the closure still works, and inspect the boots thoroughly after a crash. Alpinestars say a boot that can no longer be fastened properly, or has holes or tears, must be replaced, and must not be modified or repaired by the user."
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Alpinestars SP-X BOA Boots – Black/Silver

Riding Gear / ALPINESTARS

$399.95

HOU: 46 DAL: 0 WEB: 38,39,40,42,43,44,45,46

Size: Select a size

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Quantity:

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Brand:

ALPINESTARS

SKU:

2222024-119

Description:

Alpinestars SP-X BOA Boots – Black/Silver

Product Overview

The SP-X BOA is Alpinestars’ mid-height sport boot, cut to sit under riding pants rather than over them, and built to be walked in off the bike. Alpinestars aim it at sport and sport-touring riders who want coverage and protection without wearing a full race boot.

The upper mixes microfiber, Alpinestars’ soft Rideknit material and knitted mesh, with seamless heat-welded parts. Underneath, a TPU heel counter, a toe slider and Alpinestars’ Transversal Protection Frame in the sole are there to resist impacts and stop the boot bending or twisting the wrong way. Entry is through a zip on the inside of the boot, and a BOA dial on the side tightens the fit.

If you want a full-height race boot with replaceable sliders all round, Alpinestars’ Supertech R and SMX Plus V2 are the boots in that part of their range.

Key Technology & Design

BOA Fit System with medial zip

A dedicated side BOA dial tightens the boot, and a zip on the inner side of the boot handles getting in and out.

Microfiber, Rideknit and knitted mesh upper

Knitted areas at the front and back flex points give freedom of movement, with microfiber and a Rideknit calf around them.

Transversal Protection Frame

Alpinestars’ TPF sits in the sole to protect against impacts and against the boot bending or twisting.

Shin and ankle protection

An integrated shin guard, and dual-density internal protection over the ankle bones.

TPU heel counter, shift pad and toe slider

TPU parts at the heel, over the shift lever area and at the toe.

Walking sole

An Alpinestars rubber sole with an asymmetric heel and a walking roll, which Alpinestars say supports a natural stride and stability off the bike, plus a heel shape for the footpeg.

Cushioned heel and removable footbed

A PU heel midsole with dual heel cushion pads, and a removable footbed.

Lycra and soft TPU front bellow

The front flex zone is Lycra co-injected with soft TPU.

Specs

Certification	CE certified to EN 13634:2017 (motorcycle protective footwear)
Height	Mid-height, worn under the pant
Upper	Advanced microfiber, Rideknit calf, knitted mesh, seamless thermo-welded parts
Closure	Side BOA Fit System dial plus medial zip
Shin	Integrated shin guard
Ankle	Internal dual-density malleolus impact protection
Lower	TPU heel counter, TPU shift pad, toe slider, Transversal Protection Frame in the sole
Sole	Alpinestars rubber sole, asymmetric heel, walking roll
Comfort	PU heel midsole, dual heel cushion pads, removable footbed
Color	Black/Silver
Sizes	EU 38–48 / US 5–12½
Manufacturer part number	2222024-119

About the certification: EN 13634:2017 sets two performance levels, Level 1 and Level 2. Alpinestars print the level a boot reached on the boot’s own label rather than publishing it per model, so read the label inside the boot if the level matters to you.

Size Chart

Alpinestars’ own touring-boot chart, which is the chart they give for the SP-X BOA. Measure the longest part of your foot and compare it against the comfort size.

EU — US — JPN — Foot length (comfort size)

38	5	24	24.5 cm / 9.64 in
39	6	25	25.2 cm / 9.92 in
40	6½	25.5	25.9 cm / 10.19 in
41	7½	26	26.5 cm / 10.43 in
42	8	26.5	27.2 cm / 10.70 in
43	9	27.5	27.9 cm / 10.98 in
44	9½	28.5	28.5 cm / 11.22 in
45	10½	29.5	29.2 cm / 11.49 in
46	11½	30	29.9 cm / 11.77 in
47	12	30.5	30.5 cm / 12.00 in
48	12½	31.5	31.2 cm / 12.28 in

Note this is a different chart from Alpinestars’ race boots: the comfort sizes run a little longer at the same EU size.

Care Instructions

Alpinestars’ guidance for their road footwear: clean dirty boots under running water with a sponge, and do not pressure-wash them. Do not use strong cleaning agents or solvents, which can weaken the materials and damage the colour and finish of the plastic parts. Wipe off surface water with a cloth and lay the boots on their sides to dry naturally. Do not dry them next to a fire or a radiator. Store them fastened, in their box, somewhere well ventilated rather than in a cellar or a plastic bag. Check that the sole still has tread and the closure still works, and inspect the boots thoroughly after a crash. Alpinestars say a boot that can no longer be fastened properly, or has holes or tears, must be replaced, and must not be modified or repaired by the user.

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