MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's

MTN Racer 4 Trail Running Shoes - Women's

A fan favorite for race day and daily training, the Topo Athletic MTN Racer 4 offers rugged...
Availability: In stock
$72.00
$239.99
$72.00
Color: Grey - Purple
Size: 10
Subtotal: $72.00
Size guide
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Description
A fan favorite for race day and daily training, the Topo Athletic MTN Racer 4 offers rugged performance on technical trails. A 33x28mm platform delivers underfoot cushioning and a protective barrier between you and the ground. Our new upper is fine-tuned for performance on technical terrain. The MTN Racer 4 now features our FKT insole, allowing for faster water drainage and added rebound, while our improved gaiter attachment system keeps out debris. The Vibram® Megagrip outsole provides reliable traction and durability, delivering serious performance when the trails get gritty. Compatible with our Switchback Gaiter.

Features
• Best For: Trail Running, Race
• Cushion: High
• Underfoot Feel: Responsive
• Support: Neutral
• 5mm Drop: Our highest available drop allows you to access natural running with more under-heel cushioning
• FKT Insole: A closed cell beaded foam keeps water out, allowing shoes to drain quickly in wet conditions
• Gaiter Compatible: Offers additional protection from dirt, rocks, and twigs on the trails(Sold separately)
• Roomy Toe Box: Anatomical toe box allows toes to spread naturally and comfortably
• Vibram Outsole: Unparalleled grip and traction and durability from the leaders in technical outsoles
• More Cushioning and Resilience: Proprietary midsole compound which is springier than EVA and offers more rebound over the life of the shoe

Specifications
• Stack Height: 33mm(Heel)x28mm(Forefoot)
• Heel to Toe Drop: 5mm
MTN Racer 4 Trail Running Shoes - Women's

MTN Racer 4 Trail Running Shoes - Women's

$239.99 $72.00
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's
MTN Racer 4 Trail Running Shoes - Women's

MTN Racer 4 Trail Running Shoes - Women's

$239.99 $72.00
Color: Grey - Purple
Size: 10
Size chart
Altitude Sports Outlet — Size Guide

Size Guide

All measurements in inches (in) and pounds (lb). Built for the trail, fitted for you.

Men's Tops & Jackets

Chest: measure around the fullest part. Sleeve: from center back neck to wrist.

Size Chest (in) Waist (in) Sleeve (in)
S 36–38 29–31 32–33
M 39–41 32–34 33–34
L 42–44 35–37 34–35
XL 45–48 38–41 35–36
XXL 49–52 42–45 36–37
Women's Tops & Jackets

Bust: measure around the fullest part. Sleeve: from shoulder seam to wrist.

Size Bust (in) Waist (in) Sleeve (in)
XS 31–32 24–25 30–31
S 33–35 26–27 31–32
M 36–37 28–30 32–33
L 38–40 31–33 33–34
XL 41–43 34–36 34–35
Men's Bottoms (Hiking Pants / Shorts)

Waist: measure around natural waistline. Inseam: from crotch to ankle.

Size Waist (in) Hip (in) Inseam (in)
28 28–29 35–36 30–32
30 30–31 37–38 30–32
32 32–33 39–40 31–33
34 34–35 41–42 31–33
36 36–37 43–44 32–34
38 38–39 45–46 32–34
Women's Bottoms (Hiking Pants / Leggings)

Waist: measure around natural waist. Inseam: from crotch to desired length.

Size Waist (in) Hip (in) Inseam (in)
XS (0–2) 24–25 34–35 29–30
S (4–6) 26–27 36–37 29–30
M (8–10) 28–30 38–40 30–31
L (12–14) 31–33 41–43 30–31
XL (16) 34–36 44–46 31–32
Men's & Women's Shoes (Running / Hiking / Trail)

Foot length: measure heel to longest toe. For hiking boots, size up ½ size.

US Men US Women Foot Length (in) EU
7 8.5 9.6–9.8 40
8 9.5 10.0–10.2 41
9 10.5 10.4–10.6 42
10 11.5 10.8–11.0 43
11 12.5 11.2–11.4 44
12 13.5 11.6–11.8 45
13 — 12.0–12.2 46
Kids' Shoes (Running / Hiking)

Foot length: measure heel to longest toe. Kids grow fast—size up for growing room.

US Kids Foot Length (in) EU
10 6.5–6.7 27
11 6.8–7.0 28
12 7.1–7.3 29
13 7.4–7.6 31
1 7.7–7.9 32
2 8.0–8.2 33
3 8.3–8.5 34
4 8.6–8.8 35
5 8.9–9.1 36
6 9.2–9.4 37
Backpacks (Daypack / Hiking / Camping)

Torso length: measure from C7 vertebra (base of neck) to top of hip bones.

Size Torso Length (in) Capacity (L) Best For
XS / S 15–17 20–35 Day hikes / kids
M 17–19 35–55 Weekend trips
L / XL 19–21 55–75 Multi-day / thru-hikes
Sleeping Bags

User height: measured flat on back. Temperature ratings are guidelines—layer up in cold.

Size User Height (in) Shoulder Girth (in) Temp Rating (°F)
Regular up to 72 60–62 20°F / -6°C
Long up to 78 62–64 20°F / -6°C
Double up to 72 (each) — 30°F / -1°C
Tents (Camping / Backpacking)

Capacity is based on average adult sleepers. Size up for extra gear or pets.

Capacity Floor Area (sq ft) Peak Height (in) Best For
1-Person 15–20 36–40 Solo backpacking
2-Person 25–32 40–44 Couples / duo trips
3-Person 35–45 44–48 Small family
4-Person 50–65 48–56 Family / basecamp
6-Person 75–95 56–68 Group / car camping
Cycling Helmets

Head circumference: measure around forehead, just above eyebrows.

Size Head Circumference (in) Head Circumference (cm)
XS/S 20.0–21.5 51–55
M 21.5–23.0 55–59
L/XL 23.0–24.5 59–63
How to measure. Use a soft tape measure over light clothing. For the most accurate fit, measure twice and compare to the table above.
Between sizes? For tops and jackets, size up if you plan to layer. For hiking boots and trail shoes, size up ½ size to accommodate thicker socks.
Still unsure? Our gear is backed by a 60-day free return policy—find your fit risk-free. Contact support@altitude-sportshub.it.com and we'll help you nail it.

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