Featuring a host of protective and performance innovations derived from high-level racing, the Alpinestars Atem v4 leather suit is ideal for performance riding or the track. Constructed from supple, premium bovine leather for superior abrasion resistance, the Atem v4 combines class-leading protective technologies with an ergonomic fit to maximize riding time.

Technical Specifications:

The main chassis is constructed from 1.3mm premium genuine bovine leather with strategically placed HRSF (High Resistant Stretch Fabric) reinforcements for enhanced comfort.
Internal aramidic mesh reinforcements on the seat, shoulders, elbows, and knees for increased abrasion resistance.
Alpinestars SSS shoulder protection, GP-R elbow and knee protection, and Bio-Flex Racing hip protection (Alpinestars Nucleon KR-R back protector and Nucleon KR-Ci chest protector available as accessory upgrades).
Internal leather reinforcements on the seat, shoulders, elbows, knees, and shins provide increased abrasion resistance in critical areas.
Stretch HRSF polyamide material on the shoulders, inner sleeves, chest, crotch, and calf optimizes fit and performance.
Expander gussets on the calf allow riders to adjust the fit for maximum comfort.
YKK zippers on the front, cuffs, and ankles ensure a secure closure.
Large external stretch area on the cuffs and collar with 3D mesh and a low collar with soft profiles for greater rider comfort.
Internal waterproof document pocket.
Large localized perforations for improved ventilation.
Reflective inserts.

According to European regulations, the CE marking is a conformity requirement for the sale of this product, to which the following standards apply:

Fully CE-certified technical garment - Category II prEN17092 draft standards - class AAA.
Alpinestars Nucleon CE Level 2 back protector, EN1621-2:2014.
Alpinestars GP-R CE Level 1 shoulder, elbow, and knee protectors, EN1621-1:2012.