Train hard and push your limits in the PWR NITRO⢠SQD 2. NITRO⢠SQD technology gives explosive energy and all-around support. PUMAGRIP traction grips any surface. Unlock peak performance and smash through plateaus. These training shoes unleash your power. FEATURES & BENEFITS The upper of the shoes is made with at least 20% recycled materials NITRO⢠SQD: Innovative dual density NITRO⢠SQD midsole combines best in-class cushioning and rebound with all around support â ideal for quick first step and explosive take-off PUMAGRIP: Durable performance rubber compound designed for all-surface traction Regular fit Engineered mesh upper Heel support system Lace closure PUMA branding details for men and women. Unisex > Shoes > Training Shoes