As low as $99.99/mo with or . (Pay in 4 interest-free payments)
ALPINESTARS SP-X BOA Boots — Black, EU 43 Built for sport and sport-touring riding , the ALPINESTARS SP-X BOA Boots deliver a sleek, compact mid-calf profile that fits comfortably under tech riding pants while offering confident protection on and off the bike. Designed with comfort-focused walking support and performance-ready impact protection, the SP-X BOA is a go-to choice for riders who want coverage without full race boot bulk . Key Features Rideknit® + knitted mesh upper with seamless thermo-welded parts for a flexible, supportive fit TPU heel counter and toe slider for added durability and control Alpinestars Transversal Protection Frame (TPF) on the sole for impact resistance and reduced bending/twisting Asymmetric back heel promotes a natural stride and improves off-bike stability Integrated shin impact protector plus dual-density ankle discs TPU shift pad and toe slider reinforcement Medial zip + BOA Speed Lace system for compact, precise closure PU midsole with double-cushioned heel and removable OrthoLite® insole for all-day comfort Specifications Brand: ALPINESTARS Model: SP-X BOA Type: Street / Touring Color: Black Fit: Mid-Calf Size: EU 43 (Adult) Material: Thermoplastic Polyurethane (TPU) / Microfiber Includes: Pair Upgrade your sport-touring setup with the ALPINESTARS SP-X BOA Boots—precision fit, targeted protection, and stride-friendly walking comfort.
SP-X boots are a sleek sport boot designed to fit under tech riding pants and provide superior walking capability
Optimized for the sport and sport touring rider, the SP-X are compact, mid-height boots with premium levels of protection and comfort on and off the bike
The upper is constructed from a combination of Rideknit® material and knitted mesh, plus seamless thermo-welded parts
The lower features a TPU heel counter, toe slider, and the Alpinestars Transversal Protection Frame (TPF) on the sole, allowing for high levels of protection against impacts and any bending or twisting
Additionally, the sole also features an all-new design with an asymmetric back heel to facilitate the rider's natural stride and promote off-bike stability
For protection, the SP-X has an integrated shin impact protector, dual-density ankle discs, plus TPU shift pad and toe slider reinforcement
For comfort, the knitted areas on the front and back flex points offer great freedom of movement, while the PU midsole with integrated double cushioned heel compound and removable OrthoLite® insock, provide great walking comfort
In and out is facilitated by a medial zip combined with the BOA speed lace system for compact and precise closure
SP-X boots are perfect for those sport riders looking for coverage and protection but without the full race boot, over the pant look
or 
. (Pay in 4 interest-free payments)
